No UC admissions data on file for Glenbrook Academy.
This school doesn't appear in UCOP's source-school records (it may send few or no applicants to UC). Its enrollment trend and similar-school comparison are still below.
Compare with peers
Most similar nearby schools
Prospect High (continuation) → Liberty High → Vicente Martinez High → Berkeley Technology Academy → Golden Gate Community School → Compare all similar →📋 At a glance
- 🎓 AP rigor: Bottom 6% of US high schools
Composed from federal CRDC offerings, EDFacts ACGR, and other public data. Full breakdowns below.
How Glenbrook Academy compares for families
What families should know about Glenbrook Academy.
- ▸ vs Similar SchoolsThe closest comparables nearby: Prospect High (continuation), Liberty High, Vicente Martinez High and 2 more. See the sidebar to compare side-by-side.
For Parents
Follow Glenbrook Academy
Get an email when Glenbrook Academy's numbers change — new admissions results, enrollment shifts, test scores. A few updates a year, no spam.
SAT / ACT participation
CRDC federal data · 2020-21Source: federal Civil Rights Data Collection (CRDC 2020-21). Volume — not score — is what's reported here. A higher count means more students at this school are entering the college admissions pipeline. Note: 2020-21 was COVID-disrupted; some districts (especially those that stayed remote longer) report unusually low or zero takers.
🏛️ Federal Title I context
Title I Schoolwide eligible
≥40% FRPL — qualifies for Title I Schoolwide program
40-74% of students qualify for free/reduced lunch. The district can use Title I funds across the whole school under federal Schoolwide Program rules.
Source: NCES Common Core of Data, free/reduced-price lunch eligibility. The actual Title I designation is a district decision and may differ from eligibility — but the federal eligibility math is what we show here. We don't claim to assert whether the district formally chose to enroll this school in Title I.
Student composition — 2025-26
HS grades 9–12 racial/ethnic composition and program subgroups, from CDE Census Day Enrollment. Two-year shift shown when ≥1 pt — surfaces how the community served has changed since 2023-24.
Race / ethnicity
Program subgroups
Source: California Department of Education, Census Day Enrollment 2025-26 (HS grades 9–12). Δ shown when shift is ≥1 pt since 2023-24. Categories below 0.5% omitted.
Chronic absenteeism — 2024-25
Share of students missing 10% or more of expected attendance — the leading indicator that often precedes the demand decline shown above. Families disengaging tend to raise absenteeism first, then formally leave. Basis: grades 9–12.
Roughly one in three students is chronically absent. A floor this high signals systemic engagement problems beyond what any single intervention can fix.
Source: California Department of Education, Chronic Absenteeism 2024-25. Benchmarks limited to non-virtual public & charter HS with ≥100 eligible students. CDE didn't publish a usable 2019-20 file (COVID).
Enrollment trend & projection
If this trend holds (+7.5%/yr, Total enrollment)
At per-pupil funding of $ / student:
| Horizon | Projected Total enrollment | Change | Funding impact / yr |
|---|---|---|---|
| 1 yr (2027) | ~34 | +2 | $0 |
| 3 yr (2029) | ~40 | +8 | $0 |
| 5 yr (2031) | ~46 | +14 | $0 |
Straight-line extrapolation of the recent annual rate — a what-if, not a forecast of intent. Default = California's LCFF base grant for grades 9–12 ($12,423/ADA). Edit the figure to match your school.
Glenbrook Academy — Enrollment & Outcomes Snapshot
Public · vs. 10 most similar nearby schools
- ▸Senior-class enrollment is up 300% (3→12 from 2021 to 2026), outpacing the peer-group median of -21%.
- ▸Enrollment has been growing (+6.8%/yr); projects to ~39 by 2029.
Enrollment projection
Your school vs. its 10 most similar nearby schools
| School | Type | Size | UC Reach | Enroll. trend |
|---|---|---|---|---|
| Glenbrook Academy | Public | 32 | — | +300% |
| Peer-group median | — | -21% | ||
| Prospect High (continuation) | Public | 35 | — | -19% |
| Liberty High | Public | 48 | — | -23% |
| Vicente Martinez High | Public | 53 | — | -18% |
| Berkeley Technology Academy | Public | 52 | — | +5% |
| Golden Gate Community School | Public | 74 | — | -38% |
| Willow High | Public | 14 | — | -47% |
| Millennium High Alternative | Public | 75 | — | +6% |
| Olympic Continuation High | Public | 221 | — | -7% |
| John Finney High (continuation) | Public | 130 | — | -47% |
| Black Diamond High (continuation) | Public | 178 | — | -34% |
UC Reach = top-6 UC admits ÷ senior class (can exceed 100% when students are admitted to multiple campuses). Enrollment trend = first-to-latest grade-12 change on file. Similar schools matched on proximity, size, type. Methodology →
Enrollment stability & demand — 2024-25
Two complementary signals: retention (do students stay once enrolled?) and demand (are families choosing the school?). Read against the Contra Costa County baseline — the demographic tide is moving every CA HS, so a school's gap vs. county is the actionable signal.
Enrollment growth is beating Contra Costa County (+300.0% vs. -11.1%), but 7 of 22 students didn't maintain continuous enrollment. Why are families leaving once enrolled? Chronic absenteeism is also at 100.0% — engagement and demand are both signaling decline.
7 of 22 students who enrolled at Glenbrook Academy this year didn't maintain continuous enrollment (31.8% non-stability). Mid-year transfers, dropouts, and other exits are all counted.
Stability by student group
Nearest peer high schools
Source: California Department of Education, Stability Rate 2024-25. Benchmarks limited to non-virtual public & charter HS with ≥100 cumulative enrollees so by-design-high-churn continuation schools don't dominate the bottom of the distribution. Cumulative enrollment counts every student on the rolls during the year, so it can exceed peak-day enrollment.
District financial profile — Mt. Diablo Unified (FY2020)
From 4 years of NCES F-33 filings (the federally-mandated district finance survey). Public schools don't have their own books — the district does. These figures show the financial scale, revenue dependence, instruction-vs-overhead mix, and long-term debt that shape what a school can sustain.
Local: 47.2%
Federal: 10.9%
Source: NCES F-33 Annual Survey of School System Finances (Urban Institute Education Data API). Latest year currently published: FY2020. F-33 is a district-level federal filing — it reflects the Mt. Diablo Unified as a whole, not this individual school's books. Revenue mix shows where the district's dollars come from (state aid dominates in CA via LCFF). Instruction share is current expenditure on instruction ÷ total current expenditure (national benchmark ~60%). Long-term debt is end-of-year outstanding (mostly facilities bonds).
For School Admins
The full Reach Report for Glenbrook Academy
A board- and LCAP-ready intelligence brief: your enrollment retention and college outcomes, benchmarked against your closest competitors, with a 5-year forecast, concrete steps to act on, and the rigor + outcomes story you can share with your families. Built from primary public data — prepared for you, not auto-generated.
- ✓Your 5-year enrollment forecast (currently 7.5%/yr) with the revenue at stake
- ✓Student-retention benchmarking vs your county median — and the LCAP evidence to back your goals