Liabilities / Assets
85th percentile
Higher debt load relative to assets than 85% of similar nonprofits.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
85th percentile
Higher debt load relative to assets than 85% of similar nonprofits.
Liabilities / Revenue
75th percentile
Higher debt load relative to revenue than 75% of similar nonprofits.
Net Margin
36th percentile
Higher net margin than 36% of similar nonprofits.
Top Officer Pay
Score unavailable
This filing does not contain officer compensation rows.
Asset Growth
12th percentile
Faster asset growth than 12% of similar nonprofits.
Revenue Growth
97th percentile
Faster revenue growth than 97% of similar nonprofits.
Assets
Down$1,354,929
Down $153,300 (-10%) from 2015
Net Assets
Down$418,938
Down $38,360 (-8.4%) from 2015
Liabilities
Down$935,991
Down $114,940 (-11%) from 2015
Revenue
Up$2,137,511
Up $1,421,602 (+199%) from 2015
Expenses
Up$2,175,028
Up $1,913,181 (+731%) from 2015
Net Income
Down-$37,517
Down $491,579 (-108%) from 2015
Proof school offers a transformative liberal arts education to young people with an active curiosity and a passion for mathematics, equipping them to reason, communicate, and positively impact their world.
Offering a liberal arts education for kids who love math, reasoning and communication.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $561,229 | $976,889 | ▲ $415,660 |
| Accounts Receivable | $694,021 | $0 | ▼ $694,021 |
| Prepaid Expenses and Deferred Charges | $250,000 | $264,375 | ▲ $14,375 |
| Investments in Publicly Traded Securities | $4,288 | $113,665 | ▲ $109,377 |
| Land, Buildings, and Equipment, Net | $2,121 | $0 | ▼ $2,121 |
| Total Assets | $1,511,659 | $1,354,929 | ▼ $156,730 |
| Liabilities | |||
| Deferred Revenue | $1,048,420 | $765,269 | ▼ $283,151 |
| Accounts Payable and Accrued Expenses | $5,941 | $98,498 | ▲ $92,557 |
| Other Liabilities | $0 | $72,224 | ▲ $72,224 |
| Total Liabilities | $1,054,361 | $935,991 | ▼ $118,370 |
| Net Assets / Fund Balance | |||
| Unrestricted Net Assets | $457,298 | $418,938 | ▼ $38,360 |
| Total Net Assets Fund Balance | $457,298 | $418,938 | ▼ $38,360 |
| Total Liabilities and Net Assets / Fund Balance | $1,511,659 | $1,354,929 | ▼ $156,730 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Zachary Sifuentes | Dean of Humanities | FT | $155,493 | $4,607 | $160,100 |
| Samuel K Vandervelde | Head of School | FT | $153,799 | $5,113 | $158,912 |
| Name | Title |
|---|---|
| Paul Zeitz | Board Chair |
| Alon Amit | Board Member |
| Diviya Magaro | Board Member |
| James Sotiros | Board Member |
| Perry Tam | Board Member |
| Ravi Vakil | Board Member |
| Dennis Leary | Treasurer |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 2 | $110,299 | Fair Market Value (FMV) |
| Total Noncash Contributions | 2 | $110,299 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $1,011,457 |
| Other Expenses | $900,234 |
| Grants and Similar Amounts Paid | $263,337 |
| Total Fundraising Expense | $46,580 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Occupancy | $643,745 | $22,857 | - | $666,602 |
| Other Salaries and Wages | $544,501 | $13,864 | $25,783 | $584,148 |
| Current Officers, Directors, Trustees, and Key Employees | $266,911 | $6,796 | $12,639 | $286,346 |
| Grants to Domestic Individuals | $263,337 | - | - | $263,337 |
| Other Employee Benefits | $74,406 | $1,944 | - | $76,350 |
| Payroll Taxes | $58,849 | $4,188 | $1,576 | $64,613 |
| Information Technology | $49,885 | $3,991 | $375 | $54,251 |
| Fees for Services Legal | - | $36,336 | - | $36,336 |
| Fees for Services Accounting | - | $15,403 | - | $15,403 |
| Insurance | - | $13,119 | - | $13,119 |
| Office Expenses | $2,210 | $8,617 | - | $10,827 |
| Fees for Services Other | $7,625 | $2,686 | - | $10,311 |
| All Other Expenses | - | $9,683 | - | $9,683 |
| Other Expenses | $6,556 | - | - | $6,556 |
| Advertising | - | - | $6,034 | $6,034 |
| Conferences and Meetings | $1,995 | - | - | $1,995 |
| Fees for Services Management | $1,972 | - | - | $1,972 |
| Travel | $186 | $259 | $173 | $618 |
| Total Functional Expenses | $1,988,705 | $139,743 | $46,580 | $2,175,028 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $2,175,028 |
| Expenses per Audited Statements | $1,911,691 |
| Total Expenses per Audited Statements | $1,911,691 |
| Expenses Not Reported on Financial Statements | $263,337 |
| Other Expense Adjustments | $263,337 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Deferred Rent | $72,224 |
“The school will electronically distribute the completed form 990, including any supplemental schedules, to each member of the board of directors (named in part vii section a) before filing. The board will then approve the form 990 via a formal vote.”
“All employees of proof school sign an agreement to observe the conflict of interest policy stated in our employee handbook. Determination and review of conflicts of interest are made by the school leadership team, overseen by the head of school. Such determinations are made initially at the time of hire, and subsequently monitored through an annual review of handbook policies each august, requests for personal time during the year, and informal conversations. No conflicts of interest have been identified to date.”
“Non-compensated board approves all senior leadership team salaries. The school leadership team sets and publishes internally a compensation scale and promotion policy for all employees. Amounts are based on salaries at comparison schools in our region.”
“Documents may be requested by contacting the head of school, who makes decisions regarding their distribution on a case-by-case basis. Documents are made available for the period of time per sec 6104(d).”
“Management evaluated the school's tax positions and concluded that the school had maintained its tax exempt status and had not taken uncertain tax positions that required adjustments to the financial statements. Therefore, no provision or liability for income taxes has been included in the financial statements.”
“FINANCIAL AID 263,337.”
“FINANCIAL AID 263,337.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 5941 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 98498 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 694021 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | OFFERING A LIBERAL ARTS EDUCATION FOR KIDS WHO LOVE MATH, REASONING AND COMMUNICATION. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 6034 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 6034 |
| IRS990/AllOtherContributionsAmt | 0 | 611368 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 9683 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 9683 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | SAMUEL K VANDERVELDE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4156243910 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 555 POST STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94102 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 561229 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 976889 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 12639 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 6796 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 266911 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 286346 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1995 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1995 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 611368 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 263337 |
| IRS990/CYInvestmentIncomeAmt | 0 | -80 |
| IRS990/CYOtherExpensesAmt | 0 | 900234 |
| IRS990/CYOtherRevenueAmt | 0 | 23862 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 1502361 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -37517 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1011457 |
| IRS990/CYTotalExpensesAmt | 0 | 2175028 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 46580 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2137511 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 1048420 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 765269 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | PROOF SCHOOL PROVIDES A COMPLETE LIBERAL ARTS EDUCATION FOR KIDS IN MIDDLE AND HIGH SCHOOL WHO LOVE MATH. DURING THE 2015-16 ACADEMIC/FISCAL YEAR THE SCHOOL ENROLLED 44 STUDENTS IN GRADES SIX THROUGH TEN. THE SCHOOL EMPLOYED SIX TEACHERS, THREE TEACHER-ADMINISTRATORS, AND ONE NON-ACADEMIC STAFF PERSON. PROOF SCHOOL PROVIDED SERVICES AND CONDUCTED OPERATIONS IN A MANNER COMMON TO MOST PRIVATE SCHOOLS. THIS INCLUDED TEACHING A FULL RANGE OF CLASSES, RUNNING ADMISSIONS, GENERATING TRANSCRIPTS, RAISING FUNDS, TRACKING ATTENDANCE, AND SO FORTH. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 16 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 1988705 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 15403 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 15403 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 36336 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 36336 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 1972 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 1972 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 2686 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 7625 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 10311 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 5113 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 4607 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | PAUL ZEITZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DENNIS LEARY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ALON AMIT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DIVIYA MAGARO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JAMES SOTIROS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | PERRY TAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | RAVI VAKIL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | SAMUEL K VANDERVELDE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ZACHARY SIFUENTES |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 153799 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 155493 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | BOARD CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DEAN OF HUMANITIES |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2013 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -327 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 8 |
| IRS990/GrantAmt | 0 | 263337 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 263337 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 263337 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 119489 |
| IRS990/GrossReceiptsAmt | 0 | 2257327 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 375 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 3991 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 49885 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 54251 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 13119 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 13119 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 247 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 247 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 4288 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 113665 |
| IRS990/IRPDocumentCnt | 0 | 9 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2121 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 119816 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | PROOF SCHOOL OFFERS A TRANSFORMATIVE LIBERAL ARTS EDUCATION TO YOUNG PEOPLE WITH AN ACTIVE CURIOSITY AND A PASSION FOR MATHEMATICS, EQUIPPING THEM TO REASON, COMMUNICATE, AND POSITIVELY IMPACT THEIR WORLD. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 457298 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 418938 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -327 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -327 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -843 |
| IRS990/NoncashContributionsAmt | 0 | 110299 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 22857 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 643745 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 666602 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 8617 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 2210 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 10827 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 1944 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 74406 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 76350 |
| IRS990/OtherExpensesGrp/Desc | 0 | SCHOOL PROGRAMS AND ACT |
| IRS990/OtherExpensesGrp/Desc | 1 | CURRICULAR EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | ADMISSIONS & OUTREACH |
| IRS990/OtherExpensesGrp/Desc | 3 | RECRUITMENT |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 45828 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 12087 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 8612 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 6556 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 45828 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 12087 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 8612 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 6556 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 72224 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 611710 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 611710 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | LUNCH INCOME |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | FEE INCOME |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 23742 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 1 | 120 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 23742 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 120 |
| IRS990/OtherRevenueTotalAmt | 0 | 23862 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 25783 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 13864 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 544501 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 584148 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 1576 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 4188 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 58849 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 64613 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 250000 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 264375 |
| IRS990/PrincipalOfficerNm | 0 | SAMUEL VANDERVELDE |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611710 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1502361 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 1502361 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 715840 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 69 |
| IRS990/PYOtherExpensesAmt | 0 | 216224 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 454062 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 45623 |
| IRS990/PYTotalExpensesAmt | 0 | 261847 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 715909 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -37517 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 1526223 |
| IRS990ScheduleA/First5Years170Ind | 0 | X |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 263337 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 1911691 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | -843 |
| IRS990ScheduleD/OtherExpensesNotIncludedAmt | 0 | 263337 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 72224 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DEFERRED RENT |
| IRS990ScheduleD/OtherRevenuesNotIncludedAmt | 0 | 263337 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | -843 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 263337 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 1874174 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | MANAGEMENT EVALUATED THE SCHOOL'S TAX POSITIONS AND CONCLUDED THAT THE SCHOOL HAD MAINTAINED ITS TAX EXEMPT STATUS AND HAD NOT TAKEN UNCERTAIN TAX POSITIONS THAT REQUIRED ADJUSTMENTS TO THE FINANCIAL STATEMENTS. THEREFORE, NO PROVISION OR LIABILITY FOR INCOME TAXES HAS BEEN INCLUDED IN THE FINANCIAL STATEMENTS. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | FINANCIAL AID 263,337. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 2 | FINANCIAL AID 263,337. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART XI, LINE 4B - OTHER ADJUSTMENTS: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | PART XII, LINE 4B - OTHER ADJUSTMENTS: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 2175028 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 72224 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 2137511 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 1873331 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 1911691 |
| IRS990ScheduleE/ComplianceWithRevProc7550Ind | 0 | 1 |
| IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceAthltProgInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEducPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceOtherActyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceSchsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRcvdInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRvkdInd | 0 | 0 |
| IRS990ScheduleE/MaintainCpyOfAllSolInd | 0 | 1 |
| IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/MaintainRacialCompRecsInd | 0 | 1 |
| IRS990ScheduleE/MaintainScholarshipsRecsInd | 0 | 1 |
| IRS990ScheduleE/NondiscriminatoryPolicyStmtInd | 0 | 1 |
| IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd | 0 | 0 |
| IRS990ScheduleE/PolicyStmtInBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 0 | PROOF SCHOOL DOES NOT SOLICIT APPLICATIONS VIA NEWSPAPER OR BROADCAST MEDIA. OUR COMPREHENSIVE RACIAL NONDISCRIMINATION POLICY APPEARS AT THE PROOF SCHOOL WEBSITE ON THE PAGE CONTAINING INFORMATION ON ADMISSIONS. IT IS ALSO CLEARLY DISPLAYED ON ALL APPLICATION MATERIALS THAT ARE COMPLETED BY FAMILIES IN THE PROCESS OF APPLYING TO PROOF SCHOOL. |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE E, PART I, LINE 3 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 1 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/CashGrantAmt | 0 | 263337 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt | 0 | FINANCIAL ASSISTANCE |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/NonCashAssistanceDesc | 0 | FINANCIAL AID |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/RecipientCnt | 0 | 15 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | ALL FAMILIES HAVE THE OPTION OF APPLYING FOR FINANCIAL ASSISTANCE (FA) AT THE SAME TIME THAT THEY APPLY FOR ADMISSION TO PROOF SCHOOL. THE FA PROCESS IS HANDLED BY SSS, AN INDEPENDENT SERVICE USED BY MANY SCHOOLS TO DETERMINE FINANCIAL ASSISTANCE AWARD AMOUNTS. ONCE A STUDENT IS ADMITTED, OUR FA COMMITTEE USES INFORMATION PROVIDED BY SSS AND BY THE FAMILY IN ORDER TO MAKE FINAL AWARD DETERMINATIONS, WHICH ARE SHARED IN THE ENROLLMENT AGREEMENT. ALL RECORDS RELATED TO FA ARE KEPT ELECTRONICALLY, BOTH VIA SSS AND INTERNALLY. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 2: |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 0 |
| IRS990ScheduleJ/BoardOrCommitteeApprovalInd | 0 | X |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompensationSurveyInd | 0 | X |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 153799 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 1 | 155493 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 0 | 5113 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 1 | 4607 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | SAMUEL K VANDERVELDE |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 1 | ZACHARY SIFUENTES |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | HEAD OF SCHOOL |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 1 | DEAN OF HUMANITIES |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 158912 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 1 | 160100 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 1 | 0 |
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Displayed year
2016 • Form 990Detailed filing. Detailed filing data is available for this year.