Delta Charter: No single number tells this school's story. Here's the honest picture.
Delta Charter posts 13% meeting the standard and 6.1% exceeding it, against 43% and 19.8% statewide. The gaps and the bright spots below are the real read.
| Scope | % Exceeded | % Met+ | Grad rate | College readiness | Absence | Suspension | |
|---|---|---|---|---|---|---|---|
| This school | 36 | 6% | 13% | 95.7% | 0.0% | 40.5% | 1.6% |
| CA average · High School | 54 | 20% | 43% | 92.5% | 43.0% | 23.1% | 3.3% |
Delta Charter scores 36 of 100 on SchoolScope's Scope Score — the 29th percentile of 1,647 California high schools (CDE CAASPP 2025).
Measures test performance, attendance, and climate — not arts, community, or your kid. How we score →
🌱 Building Momentum — This label means the data doesn't clearly sort the school one way or the other — ask what the school is proud of, and what it's working on.
Most rating sites would stop at “13% proficient” and call it done. Delta Charter deserves a closer read. The school sits in Aptos, where one in three students qualify for free or reduced lunch — and reading the numbers without that context misreads the school.
As a charter, Delta Charter enrolls by application rather than address. That changes how you get in, but it doesn't change the score.
The seven-year arc
Has stayed near the 29th percentile since 2019.
This school hasn't fully recovered from the pandemic: 13% meet the standard today, versus 18% in 2019 — a gap worth asking about on a visit.
| Grade | 2019 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Grade 11 | 30% | 31% | 28% | 27% | 24% |
| Grade | 2019 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Grade 11 | 7% | 7% | 5% | 8% | 2% |
The story this school is actually telling
Of 100 students here: 13 are proficient by 11th grade → 96 graduate → 0 pass an AP exam. The gaps between those bars are the questions to ask.
The 6 things our score weighs
Ask what the school is working on next. Strong numbers tell you where a school is, not where it's going.
- Ask how the school follows up when a student starts missing days — chronic absence often starts outside the classroom, not inside it.
- Ask what share of students complete the full college-prep course sequence, and who gets steered into it.
- Ask whether the tour can step into a working classroom — watch how the teacher handles a student who's stuck.
- Ask to tour while school's in session, and notice how hallways and transitions feel — culture shows up between classes, not just in them.
- Ask how the school communicates with families when a child starts to struggle.
- Ask what a typical day looks like for a new student in the first few weeks.
How every group of students does here
At Delta Charter in Aptos, 13.3% of low-income students met or exceeded the ELA standard in 2025, compared to 41.0% district-wide and 38.2% statewide. Delta Charter trails its district average for low-income students by 27.7 percentage points in ELA. Other subgroups: White students (28.6% ELA proficient); White students (4.8% Math proficient). The largest proficiency gap is 11.1 percentage points for low-income students. Data source: California Department of Education, CAASPP 2024-25. 15 students tested.
5 of 11 student groups here are too small to report — a privacy protection, not a gap.
Showing up, and staying in class
Where the path goes
The path below follows attendance boundaries — scores shown for each next step.
Estimated path based on proximity within the same district. Contact your school district for official feeder information.
The people teaching here
What gets spent here
$84 per student arrives as federal Title funding — a measure of concentrated need, not school quality.
Source: NCES F-33 · Full district breakdown →
The neighborhood it serves
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2024) · ZIP-level
At 113 students, this school is much smaller than the typical California high school (≈1450).
On the state's science test (CAST), 15% met or exceeded the standard — science is tested in grades 5 and 8 and once in high school, and it never enters the Scope Score.
Frequently asked questions
Is Delta Charter a good high school?
What are Delta Charter's CAASPP test scores?
How does Delta Charter rank in California?
What is the attendance and school culture like at Delta Charter?
How does Delta Charter compare to other schools in Aptos?
How does Delta Charter serve low-income and underrepresented students?
Your other options
Nearby Elementary Schools
3 within ~3 mi · avg 47
Private alternatives nearby
Private schools within ~10 miles. These schools do not participate in state testing and cannot be scored or ranked.
A low score doesn't tell the whole story. Read: Your School Scored Low — Here's What That Actually Means
Every number on this page
Score factors, grade-level breakdowns, subgroup proficiency, and nearest schools.
| ELA | Tested | EXC | MET | NEAR | NOT | MET+ | +/CA |
|---|---|---|---|---|---|---|---|
| Grade 11 | 41 | 10% | 15% | 44% | 32% | 24% | −24 |
| Math | Tested | EXC | MET | NEAR | NOT | MET+ | +/CA |
|---|---|---|---|---|---|---|---|
| Grade 11 | 41 | 2% | 0% | 24% | 73% | 2% | −21 |
We show the grade rows CDE publishes for this school. A missing grade or dash can mean the school does not serve that grade, no valid result was published, or the tested group was too small to report. It does not mean zero.
| Science (CAST) | Tested | EXC | MET | NEAR | NOT |
|---|---|---|---|---|---|
| Schoolwide | 78 | 5% | 10% | 69% | 15% |
CAST is tested in grades 5 and 8, then once in grade 10, 11, or 12. This row is the school's all-student aggregate. Not part of the Scope Score.
| Subgroup · ELA | Tested | MET+ | vs district | vs CA |
|---|---|---|---|---|
| Socioeconomically Disadvantaged | 15 | 13.3% | −28 | −25 |
| White | 21 | 28.6% | −47 | −33 |
| School | Dist | Scope | EXC | MET+ | Grade gap | Cohort growth | Susp |
|---|---|---|---|---|---|---|---|
| Delta Charter ← | — | 36 | 6.1% | 13.4% | — | — | 1.6% |
| Soquel High | 1.8 mi | 64 | 21.6% | 53.4% | — | — | 1.3% |
| California average | — | 54 | 19.8% | 43.2% | — | — | 3.3% |
| Year | Scope | Pctile | Rank | Exc | Met+ | Absent | Susp | Grade gap |
|---|---|---|---|---|---|---|---|---|
| 2019 | 34 | 29 | #1451 | 3.0% | 18.5% | 40.6% | 7.9% | — |
| 2022 | 36 | 30 | #1469 | 3.8% | 19.1% | 44.7% | 3.4% | — |
| 2023 | 36 | 29 | #1527 | 2.5% | 16.6% | 41.7% | 2.4% | — |
| 2024 | 37 | 30 | #1502 | 5.4% | 17.5% | 38.0% | 3.4% | — |
| 2025 | 36 | 29 | #1543 | 6.1% | 13.4% | 40.5% | 1.6% | — |
- — Low-income students here trail the state average for their group by 25 points in ELA — worth asking how the school is closing that gap.
| Group | 2019 | 2025 | Δ |
|---|---|---|---|
| Female | 50.7% | 43.7% | -7.0pp |
| Male | 44.7% | 43.4% | -1.3pp |
| Hispanic/Latino | 56.3% | 50.0% | -6.3pp |
| Students with Disabilities | 44.0% | 48.0% | +4.0pp |
| Socioeconomically Disadvantaged | 58.7% | 46.0% | -12.7pp |
| All Students | 47.4% | 43.7% | -3.7pp |
| Measure | This school |
|---|---|
| AP offered | not offered |
| AP course count | not reported |
| AP enrollment | not reported |
| IB participation | not offered |
| Dual enrollment | offered · 15 enrolled |
| Algebra I in grade 8 | not reported |
| Calculus sections | 0 |
| Physics sections | 0 |
| Chemistry sections | 0 |
| Total enrollment (CRDC) | 109 |
Shown, never scored — no entry to any composite. NULL/reserve codes render "not reported," never a fabricated zero. The equity block above this table (§4) is the per-subgroup view of this same collection.
| Destination | Completers | % (derived) |
|---|---|---|
| University of California | 0 | 0.0% |
| California State University | 1 | 2.9% |
| California community college | 17 | 48.6% |
| In-state private | 0 | 0.0% |
| Out-of-state, 4-year | 0 | 0.0% |
| Out-of-state, 2-year | 0 | 0.0% |
| Not enrolled | 17 | 48.6% |
35 completers, class of 2023 · state-reported college-going rate 51% · % column is computed by SchoolScope (count ÷ completers), not a CDE-native rate · a missing cell is CDE suppression, never a fabricated zero · source: CDE 12-mo CGR, 2023 cohort (the newest published), National Student Clearinghouse match — a different, older vintage than the fall 2025 UC admissions rows in tables 06-07 above.
<iframe
src="https://schoolscope.co/embed/school/delta-charter-0187"
width="100%" height="210" loading="lazy"
style="border:0;border-radius:12px"
title="Delta Charter — SchoolScope scorecard">
</iframe>Free to embed with the credit link. Data updates automatically.
SchoolScope scores and verdicts are our interpretation of public California Department of Education data — independent analysis, not an official rating. How we analyze · Request a correction