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The Winston School San Antonio

San Antonio, Texas · EIN 74-2529262 · tax-exempt since 1989

B

Charity Clarity grade B (score 72.1 of 100), based on the Form 990 for the year ended June 2025.

Graded against 55,301 unclassified nonprofits with revenue $2M–$10M filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.29.5 months57
GovernanceBoard independence, key policies and audit, per the 990.100% of practices100
Margin stabilityHow steady the surplus or deficit is year to year.42
Revenue spreadHow much revenue rests on one type of income.14% from one source70
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.91.8%not scored
Management costsShare of spending.2.6%not scored
Cost to raise $1Fundraising cost per dollar given.$0.40not scored

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

20162017201820192020202120222022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Jun 2025Form 990$4.69M$5.97M−$1.28M$14.64M29.573B
Jun 2024Form 990$4.85M$5.65M−$800K$15.55M33.078B
Jun 2023Form 990$5.71M$6.33M−$621K$16.04M30.488B
Jun 2022Form 990$328K$376K−$48K$16.28M519.60C
May 2022Form 990$4.50M$5.08M−$580K$16.28M38.578C
May 2021Form 990$4.81M$4.37M$438K$17.91M49.276C
May 2020Form 990$4.74M$4.73M$2,457$16.98M43.081B
May 2019Form 990$4.77M$4.74M$27K$16.96M42.975C
May 2018Form 990$4.86M$4.52M$334K$14.67M38.978C
May 2017Form 990$7.02M$4.80M$2.22M$12.87M32.283C
May 2016Form 990$5.36M$4.80M$566K$10.30M25.883C

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation: