Civic Intelligence

Mason Preparatory School

990 • Fiscal year 2025 • EIN 57-0447248

Jun 01, 2024 to May 31, 2025

Organization Profilewww.masonprep.org

View Organization Page

56 Halsey BoulevardCharleston, SC 29401

(843) 723-0664

Siviq Scores

Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.

Liabilities / Assets

71st percentile

0.37x

Higher debt load relative to assets than 71% of similar nonprofits.

2025 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2025

Liabilities / Revenue

82nd percentile

0.95x

Higher debt load relative to revenue than 82% of similar nonprofits.

2025 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2025

Net Margin

72nd percentile

17%

Higher net margin than 72% of similar nonprofits.

2025 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2025

Top Officer Pay

44th percentile

$167,346

Higher top officer pay than 44% of similar nonprofits.

Top officer pay equals 2.5% of source-year revenue.

2025 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2025

Asset Growth

51st percentile

4.8%

Faster asset growth than 51% of similar nonprofits.

2025 filings • 501(c)3 • $10M-$25M nonprofits • Annualized from 2024 to 2025

Revenue Growth

30th percentile

-1.3%

Faster revenue growth than 30% of similar nonprofits.

2025 filings • 501(c)3 • $10M-$25M nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets71st percentile

Assets

Up

$16,992,510

Up $2,072,329 (+14%) from 2023

Net Assets

Up

$10,628,558

Up $2,512,136 (+31%) from 2023

Liabilities

Down

$6,363,952

Down $439,807 (-6.5%) from 2023

Revenue And Expenses
Liabilities / Revenue82nd percentileNet Margin72nd percentile

Revenue

Up

$6,703,179

Up $927,515 (+16%) from 2023

Expenses

Up

$5,554,678

Up $394,954 (+7.7%) from 2023

Net Income

Up

$1,148,501

Up $532,561 (+86%) from 2023

Historical Trend

Balance Sheet Trend

Asset Growth51st percentile

The highlighted filing sits inside the broader history for assets, liabilities, and net assets.

$20M$15M$10M$5.0M$0Assets 2010: $5,520,850Liabilities 2010: $797,848Net Assets 2010: $4,723,0022010Assets 2011: $5,755,044Liabilities 2011: $853,148Net Assets 2011: $4,901,8962011Assets 2012: $5,716,911Liabilities 2012: $914,827Net Assets 2012: $4,802,0842012Assets 2013: $5,809,042Liabilities 2013: $883,053Net Assets 2013: $4,925,9892013Assets 2014: $14,769,556Liabilities 2014: $8,935,158Net Assets 2014: $5,834,3982014Assets 2015: $14,050,094Liabilities 2015: $8,316,523Net Assets 2015: $5,733,5712015Assets 2016: $13,786,431Liabilities 2016: $8,217,921Net Assets 2016: $5,568,5102016Assets 2017: $13,657,390Liabilities 2017: $8,093,353Net Assets 2017: $5,564,0372017Assets 2018: $13,783,376Liabilities 2018: $7,996,309Net Assets 2018: $5,787,0672018Assets 2019: $13,243,246Liabilities 2019: $7,386,937Net Assets 2019: $5,856,3092019Assets 2020: $13,805,910Liabilities 2020: $7,768,267Net Assets 2020: $6,037,6432020Assets 2021: $14,487,154Liabilities 2021: $7,221,584Net Assets 2021: $7,265,5702021Assets 2022: $14,263,846Liabilities 2022: $6,935,200Net Assets 2022: $7,328,6462022Assets 2023: $14,920,181Liabilities 2023: $6,803,759Net Assets 2023: $8,116,4222023Assets 2025: $16,992,510Liabilities 2025: $6,363,952Net Assets 2025: $10,628,5582025

Highlighted filing

2025

Assets$16,992,510
Liabilities$6,363,952
Net Assets$10,628,558
Open 2025 Filing

Operations Trend

Revenue Growth30th percentile

Revenue, expenses, and net income across loaded years, with this filing highlighted.

$8.0M$6.0M$4.0M$2.0M$0-$2.0MExpenses 2010: $3,227,4672010Expenses 2011: $3,238,3212011Revenue 2012: $3,305,214Expenses 2012: $3,324,338Net Income 2012: -$19,1242012Expenses 2013: $3,555,8992013Revenue 2014: $4,925,591Expenses 2014: $4,003,861Net Income 2014: $921,7302014Revenue 2015: $4,432,974Expenses 2015: $4,556,101Net Income 2015: -$123,1272015Revenue 2016: $4,793,445Expenses 2016: $4,897,653Net Income 2016: -$104,2082016Revenue 2017: $4,457,052Expenses 2017: $4,881,447Net Income 2017: -$424,3952017Revenue 2018: $4,900,149Expenses 2018: $4,894,558Net Income 2018: $5,5912018Revenue 2019: $5,175,508Expenses 2019: $4,969,290Net Income 2019: $206,2182019Revenue 2020: $4,691,874Expenses 2020: $4,565,415Net Income 2020: $126,4592020Revenue 2021: $5,650,248Expenses 2021: $4,847,193Net Income 2021: $803,0552021Revenue 2022: $5,483,661Expenses 2022: $5,110,219Net Income 2022: $373,4422022Revenue 2023: $5,775,664Expenses 2023: $5,159,724Net Income 2023: $615,9402023Revenue 2025: $6,703,179Expenses 2025: $5,554,678Net Income 2025: $1,148,5012025

Highlighted filing

2025

Revenue$6,703,179
Expenses$5,554,678
Net Income$1,148,501
Open 2025 Filing
Jump To
Filing Snapshot
Filing Period
Jun 1, 2024 to May 31, 2025
Signed
Apr 6, 2026
Return Version
2024v5.5
Gross Receipts
$13,496,190
Mission and Program Overview

Mission

Mason Preparatory School is committed to the education of the whole child in preparation for secondary education through the cultivation of respect, integrity, and personal responsibility within a nurturing environment that results in a productive citizen of a global community.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$7,201,760$6,800,151▼ $401,609
Investments in Publicly Traded Securities$5,804,656$5,806,904▲ $2,248
Cash and Non-Interest-Bearing Accounts$1,154,967$2,155,983▲ $1,001,016
Savings and Temporary Cash Investments$1,810,777$1,882,033▲ $71,256
Prepaid Expenses and Deferred Charges$98,524$230,512▲ $131,988
Accounts Receivable$23,867$28,937▲ $5,070
Pledges and Grants Receivable$700$6,356▲ $5,656
Total Assets$16,211,329$16,992,510▲ $781,181
Other Assets Total$116,078$81,634▼ $34,444
Liabilities
Tax Exempt Bond Liabilities$5,723,195$5,507,030▼ $216,165
Accounts Payable and Accrued Expenses$639,886$520,911▼ $118,975
Deferred Revenue$338,116$254,377▼ $83,739
Other Liabilities$116,078$81,634▼ $34,444
Total Liabilities$6,817,275$6,363,952▼ $453,323
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$8,923,389$10,117,409▲ $1,194,020
Net Assets With Donor Restrictions$470,665$511,149▲ $40,484
Total Net Assets Fund Balance$9,394,054$10,628,558▲ $1,234,504
Total Liabilities and Net Assets / Fund Balance$16,211,329$16,992,510▲ $781,181

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$4,810,469$4,674,792$9,485,261
Equipment$195,103$1,707,955$1,903,058
Other Land Buildings$799,600$484,145$1,283,745
Land$994,979-$994,979

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2024$451,507-▲ $44,153$-2,950$492,710
2023$377,142-▲ $86,852$-12,487$451,507
2022$378,388-▲ $10,154$-11,400$377,142
2021$469,517-▼ $79,728$-11,401$378,388
2020$368,413-▲ $115,543$-14,439$469,517
Compensation and Service Providers
Top Officer Pay44th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Jennifer BakerHead of SchoolFT$155,684$11,662$167,346
Katrina BryanAsst. Head of SchoolFT$108,155-$108,155
Stephanie PierceDirector of FinanceFT$104,246$3,148$107,394

Board Members and Trustees

NameTitle
Tom DionChair
Jenny JordanVice Chair
Brett FinleyDirector
Gaylord GreenDirector
Jessica AndersonDirector
Jordana SniderDirector
Lyndsey NaceyDirector
Marion FaerberDirector
Mary Lou WertzDirector
Michelle ReillyDirector
Nicholas PennaDirector
Ryan PhillipsDirector
Scott AnthonyDirector
Russell BryantSecretary
Mike GoldsteinTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$224,489
Program Service Revenue
$6,117,363
Investment Income
$329,398
Other Revenue
$31,929
All Other Contributions
$138,269
Change in Net Assets
$1,148,501

Audited Revenue Reconciliation

Revenue per Audited Statements
$6,600,932
Revenue Not Reported on Financial Statements
$102,247
Revenue Not Reported on Form 990
$90,070
Other Revenue Adjustments
$102,247
Total Revenue per Audited Statements
$6,691,002
Total Revenue per Form 990
$6,703,179
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$3,890,030
Other Expenses$1,581,438
Total Fundraising Expense$108,113
Grants and Similar Amounts Paid$83,210
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$2,598,043$450,942$82,440$3,131,425
Occupancy$633,608$2,997-$636,605
Depreciation Depletion$437,205$23,011-$460,216
Other Employee Benefits$328,073$9,873$6,740$344,686
Payroll Taxes$199,049$38,377$5,331$242,757
Current Officers, Directors, Trustees, and Key Employees$102,697$68,465-$171,162
Office Expenses$24,280$64,179$4,185$92,644
Grants to Domestic Individuals$83,210--$83,210
Information Technology$12,733$27,125-$39,858
Advertising$29,647-$9,417$39,064
Fees for Services Other$28,756$3,282-$32,038
Fees for Services Legal-$27,925-$27,925
Fees for Service Investment Mgmnt Fees-$19,037-$19,037
Fees for Services Accounting-$11,875-$11,875
Other Expenses$792$5,915$0$6,707
Total Functional Expenses$4,671,414$775,151$108,113$5,554,678

Audited Expense Reconciliation

Line ItemAmount
Total Expenses per Form 990$5,554,678
Total Expenses per Audited Statements$5,456,498
Expenses per Audited Statements$5,452,431
Expenses Not Reported on Financial Statements$102,247
Other Expense Adjustments$102,247
Expenses Not Reported on Form 990$4,067
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Direct Expenses$30,794
Fundraising Gross Income$9,485
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Annual Auction$95,705$9,485$8,264$1,221
Total Events$95,705$9,485$30,794$-21,309
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Operating Lease$81,634

Bond Issues

BondIssuerIssuedIssue PricePurpose
AEconomic Development Authority Bonds2016-10-28$6,930,000School construction

Bond Proceeds

BondTotal ProceedsSpentRetiredIssuance Costs
A----

Bond Financing Compliance

No rebate due
No
Rebate not yet due
Yes
Form 8038-T filed
No
Gross proceeds invested
No
Gross proceeds invested in GIC
No
Exception to rebate
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, line 11B

“The Form 990 is reviewed by management. Once all comments are addressed, the Form 990 is provided to the board for review and comment period. Once this is complete, and all questions properly addressed, the Form 990 is efiled.”

Form 990, Part VI, Section B, line 12C

“Annually, new board members are required to disclosure any possibleconflict of interest to the Board. Thereafter, the members are required tocommunicate any changes in this status.”

Form 990, Part VI, Section B, line 15

“These decisions are made by the Board of Directors through an evaluation ofthird-party information, salary surveys and other information.These decisions are made by the Board of Directors through an evaluation ofthird-party information, salary surveys and other information.”

Form 990, Part VI, Section C, line 19

“Documents are made available for inspection upon request in the School's main office.”

Filing and Contact Details

Filer

Filer Name
Mason Preparatory School
EIN
57-0447248
Phone
8437230664
Address
56 Halsey Boulevard, Charleston, SC 29401

Signing Officer

Name
Jennifer Baker
Title
Head of School
Phone
8437230664
Signed
2026-04-06
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Tom Dion
Formed
1964
Legal Domicile
Sc
Voting Board Members
15
Independent Board Members
15
Employees
98
Volunteers
70

Preparer

Firm
Glaser and Company LLC
Address
1859 Summerville Ave Suite 800, Charleston, SC 29405
Preparer
Erik Glaser CPA
Phone
8438490179
Supplemental Narrative

Additional Explanations

Form 990, Part XI, line 9:

“Bad debts -4,067.”

Financial Statement Notes

Part V, Line 4:

“To support scholarships, programs and other School activities.”

Part XI, Line 4B - Other Adjustments:

“Financial aid 83,210. Investment management fees, net per audit 19,037.”

Part XII, Line 2D - Other Adjustments:

“Bad debts 4,067.”

Part XII, Line 4B - Other Adjustments:

“Financial aid 83,210. Investment management fees, net per audit 19,037.”

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IRS990/ActivityOrMissionDesc0Mason Preparatory School is committed to the education of the whole child in preparation for secondary education through the cultivation of respect, integrity, and personal responsibility within a nurturing environment that results in a productive citizen of a global community.
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IRS990/Desc0Mason Preparatory School educates approximately 320 students from pre-kindergarten through eighth grade programs. The School is accredited by the Southern Association of Colleges and Schools (SACS), the Southern Association of Independent Schools (SAIS), and the South Carolina Independent School Association (SCISA). The School is also a member of the National Association of Independent Schools (NAIS) and the Palmetto Association of Independent Schools (PAIS). The School has a student to teacher ratio of 10 to 1. The School's program is as follows: (Continued on Schedule O)Two homerooms per gradeIndividual assistants in each pre-kindergarten, kindergarten and 1st grade class, shared assistants in each grade 2-4 ; State of the art technology equipment with technology instruction beginning in kindergarten; 1:1 iPad/tablet program in grades 3-8; Weekly curriculum including art, music, media center, physical education, guidance, French and/or Spanish Carnegie unit available in Algebra I and French I or Spanish I for proficient 8th grade students;Full time Clinical Child Psychologist;One full time learning specialist;After-school activities offered (see further below);Varied sports programs offered (see further below);Extended care available on full school days until 5:45; and Our graduates enroll in an outstanding variety of public and private high schools. Afterschool Programs Although the Mason Prep School day officially ends at 3:05 p.m., many options are available for students after school. Extended Day Offered on a flexible as-needed basis, the Extended Day program provides a supervised environment until 5:45 p.m., with time for homework as well as for recreation. Homework help is also available in Study Hall sessions conducted by staff members. Afterschool Programs Mason Prep welcomes the opportunity to coordinate various afterschool programs with outstanding organizations and professionals. Our programs provide our students in every grade with opportunities to expand their horizons through the arts, athletics, culture, math, science, strategy and engineering. The participants also continue to develop skills in the areas of communication, participation, fair play and persistence as the different activities broaden the world around them. Athletics The Mason Prep faculty, staff, and coaches strive to develop the whole child, and our athletic program plays a significant part in this effort. Our program is designed to teach basic fundamental skills and then build on those skills at appropriate age levels. Fundamental skills and strategies in several sports can be mastered in the eight years at Mason Prep, and athletes who continue through the middle school years can make an easy transition to high school sports. Mason Prep athletes also learn the meaning of hard work, integrity, responsibility, commitment, and sportsmanship - critically important traits for each athlete to take to the next level of sport and into adulthood. Mason Preps teams typically involve grades 4 - 8. We play area schools, giving our children an opportunity to make new friends through sport. Volleyball (girls) - Mason Prep fielded three volleyball teams for girls in Grades 5-8. The volleyball season runs from September to mid-October, with games played through the City of Charleston Recreational Volleyball League.Basketball (girls and boys) - The basketball program runs from mid-October through early February. Tennis (girls and boys, grades 4-8) - Tennis season takes place in the spring with competitions through the Charleston Tennis Center. Developmental Sports Before students enter a competitive arena, developmental teams are offered in basketball in grades K - 3. These teams participate in intramural sessions with volunteer parent coaches. Rather than a win/loss record, each individual's performing to the best of his or her ability and development of fundamental skills are the Mason Prep measures of success.
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IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt130
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt140
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt1511662
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt160
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt173148
IRS990/Form990PartVIISectionAGrp/PersonNm0Tom Dion
IRS990/Form990PartVIISectionAGrp/PersonNm1Jenny Jordan
IRS990/Form990PartVIISectionAGrp/PersonNm2Russell Bryant
IRS990/Form990PartVIISectionAGrp/PersonNm3Mike Goldstein
IRS990/Form990PartVIISectionAGrp/PersonNm4Marion Faerber
IRS990/Form990PartVIISectionAGrp/PersonNm5Lyndsey Nacey
IRS990/Form990PartVIISectionAGrp/PersonNm6Jordana Snider
IRS990/Form990PartVIISectionAGrp/PersonNm7Mary Lou Wertz
IRS990/Form990PartVIISectionAGrp/PersonNm8Gaylord Green
IRS990/Form990PartVIISectionAGrp/PersonNm9Scott Anthony
IRS990/Form990PartVIISectionAGrp/PersonNm10Ryan Phillips
IRS990/Form990PartVIISectionAGrp/PersonNm11Brett Finley
IRS990/Form990PartVIISectionAGrp/PersonNm12Jessica Anderson
IRS990/Form990PartVIISectionAGrp/PersonNm13Michelle Reilly
IRS990/Form990PartVIISectionAGrp/PersonNm14Nicholas Penna
IRS990/Form990PartVIISectionAGrp/PersonNm15Jennifer Baker
IRS990/Form990PartVIISectionAGrp/PersonNm16Katrina Bryan
IRS990/Form990PartVIISectionAGrp/PersonNm17Stephanie Pierce
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt120
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt130
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt140
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt15155684
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt16108155
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt17104246
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt00
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt120
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt130
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt140
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt150
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt160
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt170
IRS990/Form990PartVIISectionAGrp/TitleTxt0Chair
IRS990/Form990PartVIISectionAGrp/TitleTxt1Vice Chair
IRS990/Form990PartVIISectionAGrp/TitleTxt2Secretary
IRS990/Form990PartVIISectionAGrp/TitleTxt3Treasurer
IRS990/Form990PartVIISectionAGrp/TitleTxt4Director
IRS990/Form990PartVIISectionAGrp/TitleTxt5Director
IRS990/Form990PartVIISectionAGrp/TitleTxt6Director
IRS990/Form990PartVIISectionAGrp/TitleTxt7Director
IRS990/Form990PartVIISectionAGrp/TitleTxt8Director
IRS990/Form990PartVIISectionAGrp/TitleTxt9Director
IRS990/Form990PartVIISectionAGrp/TitleTxt10Director
IRS990/Form990PartVIISectionAGrp/TitleTxt11Director
IRS990/Form990PartVIISectionAGrp/TitleTxt12Director
IRS990/Form990PartVIISectionAGrp/TitleTxt13Director
IRS990/Form990PartVIISectionAGrp/TitleTxt14Director
IRS990/Form990PartVIISectionAGrp/TitleTxt15Head of School
IRS990/Form990PartVIISectionAGrp/TitleTxt16Asst. Head of School
IRS990/Form990PartVIISectionAGrp/TitleTxt17Director of Finance
IRS990/Form990ProvidedToGvrnBodyInd01
IRS990/FormationYr01964
IRS990/FormerOfcrEmployeesListedInd00
IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd0X
IRS990/FSAuditedInd01
IRS990/FundraisingActivitiesInd01
IRS990/FundraisingAmt086220
IRS990/FundraisingDirectExpensesAmt030794
IRS990/FundraisingGrossIncomeAmt09485
IRS990/GainOrLossGrp/SecuritiesAmt058747
IRS990/GamingActivitiesInd00
IRS990/GoverningBodyVotingMembersCnt015
IRS990/GrantAmt083210
IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt083210
IRS990/GrantsToDomesticIndividualsGrp/TotalAmt083210
IRS990/GrantsToIndividualsInd01
IRS990/GrantsToOrganizationsInd00
IRS990/GrantToRelatedPersonInd00
IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt06820964
IRS990/GrossReceiptsAmt013496190
IRS990/GroupReturnForAffiliatesInd00
IRS990/IncludeFIN48FootnoteInd00
IRS990/IndependentAuditFinclStmtInd01
IRS990/IndependentVotingMemberCnt015
IRS990/IndivRcvdGreaterThan100KCnt03
IRS990/IndoorTanningServicesInd00
IRS990/InfoInScheduleOPartIIIInd0X
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InfoInScheduleOPartXIInd0X
IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt027125
IRS990/InformationTechnologyGrp/ProgramServicesAmt012733
IRS990/InformationTechnologyGrp/TotalAmt039858
IRS990/InvestmentIncomeGrp/ExclusionAmt0270651
IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt0270651
IRS990/InvestmentInJointVentureInd00
IRS990/InvestmentsPubTradedSecGrp/BOYAmt05804656
IRS990/InvestmentsPubTradedSecGrp/EOYAmt05806904
IRS990/InvestTaxExemptBondsInd00
IRS990/IRPDocumentCnt02
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt06866892
IRS990/LandBldgEquipBasisNetGrp/BOYAmt07201760
IRS990/LandBldgEquipBasisNetGrp/EOYAmt06800151
IRS990/LandBldgEquipCostOrOtherBssAmt013667043
IRS990/LegalDomicileStateCd0SC
IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt06762217
IRS990/LoanOutstandingInd00
IRS990/LobbyingActivitiesInd00
IRS990/LocalChaptersInd00
IRS990/MaterialDiversionOrMisuseInd00
IRS990/MembersOrStockholdersInd00
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd01
IRS990/MinutesOfGoverningBodyInd01
IRS990/MissionDesc0Mason Preparatory School is committed to the education of the whole child in preparation for secondary education through the cultivation of respect, integrity, and personal responsibility within a nurturing environment that results in a productive citizen of a global community.
IRS990/MoreThan5000KToIndividualsInd00
IRS990/MoreThan5000KToOrgInd00
IRS990/NetAssetsOrFundBalancesBOYAmt09394054
IRS990/NetAssetsOrFundBalancesEOYAmt010628558
IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt058747
IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt058747
IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt0-21309
IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt0-21309
IRS990/NetUnrelatedBusTxblIncmAmt00
IRS990/NetUnrlzdGainsLossesInvstAmt090070
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt08923389
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt010117409
IRS990/NondeductibleContributionsInd00
IRS990/OccupancyGrp/ManagementAndGeneralAmt02997
IRS990/OccupancyGrp/ProgramServicesAmt0633608
IRS990/OccupancyGrp/TotalAmt0636605
IRS990/OfficeExpensesGrp/FundraisingAmt04185
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt064179
IRS990/OfficeExpensesGrp/ProgramServicesAmt024280
IRS990/OfficeExpensesGrp/TotalAmt092644
IRS990/OfficerMailingAddressInd00
IRS990/OnBehalfOfIssuerInd00
IRS990/OperateHospitalInd00
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/OtherAssetsTotalGrp/BOYAmt0116078
IRS990/OtherAssetsTotalGrp/EOYAmt081634
IRS990/OtherChangesInNetAssetsAmt0-4067
IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt06740
IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt09873
IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt0328073
IRS990/OtherEmployeeBenefitsGrp/TotalAmt0344686
IRS990/OtherExpensesGrp/Desc0Instructional supplies
IRS990/OtherExpensesGrp/Desc1Membership dues
IRS990/OtherExpensesGrp/Desc2Miscellaneous
IRS990/OtherExpensesGrp/FundraisingAmt00
IRS990/OtherExpensesGrp/FundraisingAmt10
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt00
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt122148
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt25915
IRS990/OtherExpensesGrp/ProgramServicesAmt0187295
IRS990/OtherExpensesGrp/ProgramServicesAmt16026
IRS990/OtherExpensesGrp/ProgramServicesAmt2792
IRS990/OtherExpensesGrp/TotalAmt0187295
IRS990/OtherExpensesGrp/TotalAmt128174
IRS990/OtherExpensesGrp/TotalAmt26707
IRS990/OtherLiabilitiesGrp/BOYAmt0116078
IRS990/OtherLiabilitiesGrp/EOYAmt081634
IRS990/OtherRevenueMiscGrp/BusinessCd0900099
IRS990/OtherRevenueMiscGrp/Desc0Miscellaneous
IRS990/OtherRevenueMiscGrp/ExclusionAmt053238
IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt053238
IRS990/OtherRevenueTotalAmt053238
IRS990/OtherSalariesAndWagesGrp/FundraisingAmt082440
IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt0450942
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt02598043
IRS990/OtherSalariesAndWagesGrp/TotalAmt03131425
IRS990/OtherWebsiteInd0X
IRS990/PartialLiquidationInd00
IRS990/PayPremiumsPrsnlBnftCntrctInd00
IRS990/PayrollTaxesGrp/FundraisingAmt05331
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt038377
IRS990/PayrollTaxesGrp/ProgramServicesAmt0199049
IRS990/PayrollTaxesGrp/TotalAmt0242757
IRS990/PledgesAndGrantsReceivableGrp/BOYAmt0700
IRS990/PledgesAndGrantsReceivableGrp/EOYAmt06356
IRS990/PoliticalCampaignActyInd00
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt098524
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt0230512
IRS990/PrincipalOfficerNm0Tom Dion
IRS990/ProfessionalFundraisingInd00
IRS990/ProgramServiceRevenueGrp/BusinessCd0611600
IRS990/ProgramServiceRevenueGrp/BusinessCd1611600
IRS990/ProgramServiceRevenueGrp/Desc0Tuition
IRS990/ProgramServiceRevenueGrp/Desc1Extended Day
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt06041014
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt176349
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt06041014
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt176349
IRS990/ProhibitedTaxShelterTransInd00
IRS990/PYBenefitsPaidToMembersAmt00
IRS990/PYContributionsGrantsAmt0210351
IRS990/PYExcessBenefitTransInd00
IRS990/PYGrantsAndSimilarPaidAmt0219256
IRS990/PYInvestmentIncomeAmt0702728
IRS990/PYOtherExpensesAmt01500596
IRS990/PYOtherRevenueAmt047277
IRS990/PYProgramServiceRevenueAmt05830707
IRS990/PYRevenuesLessExpensesAmt01378393
IRS990/PYSalariesCompEmpBnftPaidAmt03692818
IRS990/PYTotalExpensesAmt05412670
IRS990/PYTotalProfFndrsngExpnsAmt00
IRS990/PYTotalRevenueAmt06791063
IRS990/QuidProQuoContributionsInd01
IRS990/QuidProQuoContriDisclInd01
IRS990/RcvFndsToPayPrsnlBnftCntrctInd00
IRS990/ReconcilationRevenueExpnssAmt01148501
IRS990/RegularMonitoringEnfrcInd01
IRS990/RelatedEntityInd00
IRS990/RelatedOrganizationCtrlEntInd00
IRS990/ReportInvestmentsOtherSecInd00
IRS990/ReportLandBuildingEquipmentInd01
IRS990/ReportOtherAssetsInd00
IRS990/ReportOtherLiabilitiesInd01
IRS990/ReportProgramRelatedInvstInd00
IRS990/RevenueAmt06117363
IRS990/SavingsAndTempCashInvstGrp/BOYAmt01810777
IRS990/SavingsAndTempCashInvstGrp/EOYAmt01882033
IRS990ScheduleA/SchoolInd0X
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd01
IRS990ScheduleD/BoardDesignatedBalanceEOYPct00.07200
IRS990ScheduleD/BuildingsGrp/BookValueAmt04810469
IRS990ScheduleD/BuildingsGrp/DepreciationAmt04674792
IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt09485261
IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt0451507
IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt0492710

Document Assets

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Filings

Displayed year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$16,992,510
Liabilities
$6,363,952
Net assets
$10,628,558
Revenue
$6,703,179
Expenses
$5,554,678
Net income
$1,148,501
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$17.0$6.36$10.6$6.70$5.55$1.15
2023Summary only. Only limited summary data is available for this year.$14.9$6.80$8.12$5.78$5.16$0.62
2022Summary only. Only limited summary data is available for this year.$14.3$6.94$7.33$5.48$5.11$0.37
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$14.5$7.22$7.27$5.65$4.85$0.80
2020Facts available. Structured filing facts are available, but richer extracted sections are limited.$13.8$7.77$6.04$4.69$4.57$0.13
2019Facts available. Structured filing facts are available, but richer extracted sections are limited.$13.2$7.39$5.86$5.18$4.97$0.21
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$13.8$8.00$5.79$4.90$4.89$0.01
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$13.7$8.09$5.56$4.46$4.88$0.42
2016XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$13.8$8.22$5.57$4.79$4.90$0.10
2015Detailed filing. Detailed filing data is available for this year.$14.1$8.32$5.73$4.43$4.56$0.12
2014Detailed filing. Detailed filing data is available for this year.$14.8$8.94$5.83$4.93$4.00$0.92
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$5.81$0.88$4.93$3.56
2012Summary only. Only limited summary data is available for this year.$5.72$0.91$4.80$3.31$3.32$0.02
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$5.76$0.85$4.90$3.24
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$5.52$0.80$4.72$3.23