Delta Charter
31400 South Koster Rd., Tracy, CA 95304 Map
Math (met standard)
29%
−8
state 38% · 2025-26
English (met standard)
35%
−15
state 50% · 2025-26
Science (met standard)
22%
−15
state 37% · 2025-26
Low income
52%
free or reduced-price lunch
Students
772
2024-25
Students per teacher
15.8
2024-25
Test score trends
Share of students who met or exceeded the state standard each year.
Latest results by grade
| Grade | Math | English | Science |
|---|---|---|---|
| Grade 3 | 37% state 47% · 2025-26 | 26% state 44% · 2025-26 | — |
| Grade 4 | 40% state 42% · 2025-26 | 33% state 46% · 2025-26 | — |
| Grade 5 | 33% state 37% · 2025-26 | 27% state 49% · 2025-26 | 21% state 35% · 2025-26 |
| Grade 6 | 27% state 37% · 2025-26 | 40% state 48% · 2025-26 | — |
| Grade 7 | 25% state 38% · 2025-26 | 40% state 51% · 2025-26 | — |
| Grade 8 | 26% state 36% · 2025-26 | 40% state 50% · 2025-26 | 23% state 35% · 2025-26 |
| Grade 11 | 22% state 32% · 2025-26 | 37% state 57% · 2025-26 | — |
| All grades | 29% state 38% · 2025-26 | 35% state 50% · 2025-26 | 22% state 37% · 2025-26 |
Results by year (all grades)
| School year | Math | English | Science |
|---|---|---|---|
| 2025-26 | 29% state 38% | 35% state 50% | 22% state 37% |
| 2024-25 | 26% state 38% | 31% state 49% | 17% state 33% |
| 2023-24 | 24% state 35% | 40% state 48% | 19% state 31% |
| 2022-23 | 21% state 34% | 32% state 47% | 21% state 31% |
| 2021-22 | 19% state 33% | 36% state 48% | 20% state 29% |
| 2020-21 | 21% state 34% | 33% state 49% | 16% state 30% |
| 2018-19 | 23% state 38% | 34% state 52% | 21% state 27% |
| 2017-18 | 18% state 37% | 30% state 51% | — |
| 2016-17 | 12% state 37% | 32% state 51% | — |
| 2015-16 | 12% state 36% | 31% state 50% | — |
| 2014-15 | 12% state 32% | 23% state 49% | — |
Graduation & college
4-year graduation rate
98%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
25%
state 55% · 2025-26
College-going rate
48%
state 66% · 2022-23
Graduation rate: students who earned a regular diploma within four years. UC/CSU: share of graduates who completed the A–G courses required by the University of California and California State University. College-going: share of high school completers who enrolled in any college within 12 months.
Students
Race and ethnicity, 2024-25
- Asian 4%
- White 30%
- Hispanic 52%
- Black 5%
- Two or more 8%
- Other 1%
Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).
Nearby schools
2025-26 results
Subject percentages show the share of students who met or exceeded the state standard.
| Pick to compare | |||||
|---|---|---|---|---|---|
|
Valley View Charter Prep
Grades K–12
Charter
Virtual
· Valley View Charter Prep District
|
0.0 mi |
60%
+21
vs state
|
74%
+25
vs state
|
30% | |
|
New Jerusalem
Grades 1–8
Charter
· New Jerusalem Elementary
|
0.0 mi |
21%
−19
vs state
|
36%
−12
vs state
|
48% | |
|
Delta Home Charter
Grades K–12
Charter
Virtual
· New Jerusalem Elementary
|
0.0 mi |
17%
−22
vs state
|
24%
−24
vs state
|
46% | |
|
Delta Keys Charter
Grades K–12
Charter
· New Jerusalem Elementary
|
0.0 mi |
15%
−16
vs state
|
21%
−36
vs state
|
73% | |
|
Delta Charter Online
Grades K–12
Charter
· New Jerusalem Elementary
|
0.0 mi |
19%
−13
vs state
|
40%
−18
vs state
|
57% | |
|
Jefferson
Grades 5–8
· Jefferson Elementary
|
4.4 mi |
64%
+27
vs state
|
67%
+18
vs state
|
26% |
No schools match this filter.