Liabilities / Assets
Score unavailable
Liabilities-to-assets requires both liabilities and assets on the latest valid filing.
Cornerstone School at Pedregal Bstr Club
EIN 33-0585785 • 501(c)3 • Rancho Palos Verdes, CA
Profile
Involve parents to reise funds for the organization's exempt purpose.this school operates on a parent participation model and all activities are designed to raise funds involve those parents.each parent is expected to volunteer a minimum of 6 hours a month and that involvement can take the form of fundraising, classroom involvement, monthly parent meetings and ongoing parent education classes.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
No value available
Liabilities / Revenue
Score unavailable
Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.
Net Margin
25th percentile
Higher net margin than 25% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
31st percentile
Faster asset growth than 31% of similar nonprofits.
Revenue Growth
59th percentile
Faster revenue growth than 59% of similar nonprofits.
Balance Sheet
Assets
Down$116,979
Down $32,169 (-22%) from 2024
Liabilities
-
No earlier filing loaded for comparison.
Net Assets
Down$116,979
Down $32,169 (-22%) from 2024
Revenue
Up$185,378
Up $9,311 (+5.3%) from 2024
Expenses
Up$217,547
Up $17,812 (+8.9%) from 2024
Net Income
Down-$32,169
Down $8,501 (-36%) from 2024
Trend Graphs
Filings
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
- Assets
- $116,979
- Liabilities
- -
- Net assets
- $116,979
- Revenue
- $185,378
- Expenses
- $217,547
- Net income
- -$32,169
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jul 1, 2024 to Jun 30, 2025
- Signed
- Nov 13, 2025
- Return Version
- 2024v5.2
- Gross Receipts
- $191,037
Mission and Program Overview
Mission
The primary exempt purpose of the organization is to raise funds for support of educational activities at public school.the organization has provided educational supplies, office equipment, teacher instruction equipment, computers, software, books and software, playground equipment, student direct programs, tables, vacuums and supplies to teachers as a part of achieving the exempt purpose of raising funds to support the educational activities at cornerstone school at pedregal.
Involve parents to reise funds for the organization's exempt purpose.this school operates on a parent participation model and all activities are designed to raise funds involve those parents.each parent is expected to volunteer a minimum of 6 hours a month and that involvement can take the form of fundraising, classroom involvement, monthly parent meetings and ongoing parent education classes.
Program Services
| Description | Grants | Expenses |
|---|---|---|
| THE PRIMARY EXEMPT PURPOSE OF THE ORGANIZATION IS TO RAISE FUNDS FOR SUPPORT OF EDUCATIONAL ACTIVITIES AT PUBLIC SCHOOL. | - | $214,667 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| LISA WELSTEAD | 6th VP | - | $0 | - | - |
| ZINA CHENG | Treasurer | - | $0 | - | - |
| NINA COBUZZI | Executive VP | - | $0 | - | - |
| KIMBERLY OFFENBERG | Advisor | - | $0 | - | - |
| LIZ FLAHIVE | 4th VP | - | $0 | - | - |
| BRIAN SMITH | Parliamentarian | - | $0 | - | - |
| JEREMY SHAW | Legislative Rep | - | $0 | - | - |
| MENGLY TAING | Secretary | - | $0 | - | - |
| SONJA LEVENTHAL | Financial Sec | - | $0 | - | - |
| HELEN AUSTIN | Recruitment | - | $0 | - | - |
| REBECCA BRAND | Participation | - | $0 | - | - |
| IRENE JONES | Hospitality | - | $0 | - | - |
| JILL ATKATZ | Communications | - | $0 | - | - |
| SARAH BENJAMIN | Education | - | $0 | - | - |
| JUDY FORT | Historian | - | $0 | - | - |
| JAMES NGUYEN | President | - | $0 | - | - |
| TING WANG | Auditor | - | $0 | - | - |
| SARAH SHIM | Science | - | $0 | - | - |
| VANESSA KAUSHAL | Special Events | - | $0 | - | - |
| SCOTT REINEN | Technology | - | $0 | - | - |
| CHERISH LEUNG | Organization | - | $0 | - | - |
Fundraising, Events, and Gaming
Fundraising Events
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Fun Run | $41,785 | - | - | - |
| Designer Bag Fundraiser Expense | $15,214 | $5,659 | $5,659 | $0 |
| Total Events | $56,999 | $5,659 | $5,659 | - |
Filing and Contact Details
Filer
- Filer Name
- Cornerstone School at Pedregal Bstr Club
- EIN
- 33-0585785
- Phone
- 3103082521
- Address
- 6069 GROVEOAK ROAD, RANCHO PALOS VERDES, CA 90275
Signing Officer
- Name
- Zina Cheng
- Title
- Treasurer
- Signed
- 2025-11-13
- Discuss with paid preparer
- Yes
Preparer
- Firm
- Singerlewak
- Address
- 10960 WILSHIRE BLVD SUITE 1100, LOS ANGELES, CA 90024
- Preparer
- Kerry Welch
- Phone
- 3103732233
Supplemental Narrative
Additional Explanations
Other Expenses.1
“Wishlist gifting/other $74006”
Other Expenses.2
“PROGRAM EXPENSES $72081”
Other Expenses.3
“Spring social expense $17416”
Other Expenses.4
“BOOK FAIR EXPENSE $13794”
Other Expenses.5
“School apparel and merchandise $9354”
Other Expenses.6
“HOSPITALITY $7981”
Other Expenses.7
“PRINCIPAL'S FUND $7290”
Other Expenses.8
“Site safety expense $3919”
Other Expenses.9
“Printing and reproduction $2704”
Other Expenses.10
“Education related expense $2545”
Other Expenses.11
“Executive board admin expense $1840”
Other Expenses.12
“Communication / membership $1235”
Other Expenses.13
“5TH GRADE ACTIVITY $1100”
Other Expenses.14
“SPECIAL EVENTS $793”
Other Expenses.15
“RECRUITING $395”
Other Expenses.16
“RUN CLUB EXPENSE $390”
Other Expenses.17
“CLASSROOM SOFTWARE $59”
Raw XML Appendix274 raw XML fields
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | ZINA CHENG |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 3103082521 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 6069 GROVEOAK ROAD |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | RANCHO PALOS VERDES |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 90275 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 149148 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 116979 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 63645 |
| IRS990EZ/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -32169 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 645 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 149148 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 116979 |
| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 5659 |
| IRS990EZ/GrossReceiptsAmt | 0 | 191037 |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIVInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 143 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MembershipDuesAmt | 0 | 44449 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 149148 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 116979 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 149148 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 116979 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 11 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 12 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 13 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 14 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 15 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 16 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 17 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 18 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 19 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 20 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 12 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 13 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 19 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 20 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | LISA WELSTEAD |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | ZINA CHENG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | NINA COBUZZI |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | KIMBERLY OFFENBERG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | LIZ FLAHIVE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | BRIAN SMITH |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | JEREMY SHAW |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | MENGLY TAING |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | SONJA LEVENTHAL |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | HELEN AUSTIN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | REBECCA BRAND |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 11 | IRENE JONES |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 12 | JILL ATKATZ |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 13 | SARAH BENJAMIN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 14 | JUDY FORT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 15 | JAMES NGUYEN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 16 | TING WANG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 17 | SARAH SHIM |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 18 | VANESSA KAUSHAL |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 19 | SCOTT REINEN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 20 | CHERISH LEUNG |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | 6TH VP |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | Treasurer |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | EXECUTIVE VP |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | ADVISOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | 4TH VP |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | PARLIAMENTARIAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | LEGISLATIVE REP |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | Secretary |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | FINANCIAL SEC |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | RECRUITMENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | PARTICIPATION |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 11 | HOSPITALITY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 12 | COMMUNICATIONS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 13 | EDUCATION |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 14 | HISTORIAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 15 | President |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 16 | AUDITOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 17 | SCIENCE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 18 | SPECIAL EVENTS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 19 | TECHNOLOGY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 20 | ORGANIZATION |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 216902 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | INVOLVE PARENTS TO REISE FUNDS FOR THE ORGANIZATION'S EXEMPT PURPOSE.THIS SCHOOL OPERATES ON A PARENT PARTICIPATION MODEL AND ALL ACTIVITIES ARE DESIGNED TO RAISE FUNDS INVOLVE THOSE PARENTS.EACH PARENT IS EXPECTED TO VOLUNTEER A MINIMUM OF 6 HOURS A MONTH AND THAT INVOLVEMENT CAN TAKE THE FORM OF FUNDRAISING, CLASSROOM INVOLVEMENT, MONTHLY PARENT MEETINGS AND ONGOING PARENT EDUCATION CLASSES. |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 77141 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | THE PRIMARY EXEMPT PURPOSE OF THE ORGANIZATION IS TO RAISE FUNDS FOR SUPPORT OF EDUCATIONAL ACTIVITIES AT PUBLIC SCHOOL. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 214667 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/ScheduleBNotRequiredInd | 0 | X |
| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 5659 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 217547 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 214667 |
| IRS990EZ/TotalRevenueAmt | 0 | 185378 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | N/A |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 108094 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 143853 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 120909 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 114760 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 60936 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 548552 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 143 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 183 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 259 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 279 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 266 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 1130 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 77141 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 32031 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 109172 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 143 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 183 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 259 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 279 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 266 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 1130 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00170 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00160 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99830 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99840 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 657724 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 185235 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 175884 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 120909 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 114760 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 60936 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 657724 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 185378 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 176067 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 121168 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 115039 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 61202 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 658854 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContributionsTotAmt | 0 | 51340 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContriEvent1Amt | 0 | 41785 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContriEvent2Amt | 0 | 9555 |
| IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt | 0 | 5659 |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | FUN RUN |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event2Nm | 0 | DESIGNER BAG FUNDRAISER EXPENSE |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt | 0 | 41785 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent2Amt | 0 | 15214 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt | 0 | 56999 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent2Amt | 0 | 5659 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt | 0 | 5659 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt | 0 | 5659 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent2Amt | 0 | 5659 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | WISHLIST GIFTING/OTHER $74006 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | PROGRAM EXPENSES $72081 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | SPRING SOCIAL EXPENSE $17416 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | BOOK FAIR EXPENSE $13794 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | SCHOOL APPAREL AND MERCHANDISE $9354 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | HOSPITALITY $7981 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | PRINCIPAL'S FUND $7290 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | SITE SAFETY EXPENSE $3919 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | PRINTING AND REPRODUCTION $2704 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 9 | EDUCATION RELATED EXPENSE $2545 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 10 | EXECUTIVE BOARD ADMIN EXPENSE $1840 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 11 | COMMUNICATION / MEMBERSHIP $1235 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 12 | 5TH GRADE ACTIVITY $1100 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 13 | SPECIAL EVENTS $793 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 14 | RECRUITING $395 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 15 | RUN CLUB EXPENSE $390 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 16 | CLASSROOM SOFTWARE $59 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Other Expenses.1 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Other Expenses.2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Other Expenses.3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Other Expenses.4 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Other Expenses.5 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | Other Expenses.6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | Other Expenses.7 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | Other Expenses.8 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | Other Expenses.9 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 9 | Other Expenses.10 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 10 | Other Expenses.11 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 11 | Other Expenses.12 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 12 | Other Expenses.13 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 13 | Other Expenses.14 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 14 | Other Expenses.15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 15 | Other Expenses.16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 16 | Other Expenses.17 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | ZINA CHENG |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-13 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | CORNERSTONE SCHOOL AT PEDREGAL BSTR CLUB |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | CORN |
| ReturnHeader/Filer/EIN | 0 | 330585785 |
| ReturnHeader/Filer/PhoneNum | 0 | 3103082521 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 6069 GROVEOAK ROAD |
| ReturnHeader/Filer/USAddress/CityNm | 0 | RANCHO PALOS VERDES |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 90275 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 952302617 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | SINGERLEWAK |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 10960 WILSHIRE BLVD SUITE 1100 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | LOS ANGELES |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 90024 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3103732233 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | KERRY WELCH |
| ReturnHeader/ReturnTs | 0 | 2025-11-14T08:41:48-08:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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