Enrollment
125
Combined
DISTRICT 361 · STATE 602
SCHOOL COMMUNITY·NEW JERUSALEM ELEMENTARY·NCES 062703014175
Delta Keys Charter
31400 South Koster Rd., Tracy, CA 95304 · (209) 830-6363 · San Joaquin County
GRADES KG–12COMBINED41-RURALCHARTERVIRTUALTITLE IREGULAR SCHOOL125 STUDENTS
Student : Teacher
17.8:1
7 FTE teachers
DISTRICT 19.9:1 · STATE 18.6:1
Free / Reduced Lunch
73%
91 students
DISTRICT 56% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other combined schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 10 | 7 | 6% |
| Grade 11 | 24 | 19% |
| Grade 12 | 94 | 75% |
Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
29.1%
CA avg 49.1% . +11.4pp since 2017
Math
36.4%
CA avg 37.7% . +36.4pp since 2017
What this means: On the CAASPP, California's statewide test, about 29 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 11 points since 2017, while math scores are up about 36 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 7.3% | 21.8% | 29.1% | 41.8% |
| Math | 12.7% | 23.6% | 7.3% | 56.4% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 29.1% | 36.4% |
| 2023-24 | 15.6% | 12.5% |
| 2022-23 | 17.9% | 2.6% |
| 2021-22 | 12.5% | 0.0% |
| 2020-21 | 12.5% | 0.0% |
| 2018-19 | 14.3% | 0.0% |
| 2017-18 | 17.6% | 0.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
4-year change
SY 2020-21 vs SY 2024-25Enrollment
125
-66 (-35%) vs 2020
Student : Teacher
17.8:1
was 21.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 125 | 7 | 17.8:1 | 73% (91) |
| 2023-24 | 125 | 6.2 | 20.3:1 | 76% (95) |
| 2022-23 | 123 | 5 | 24.7:1 | 71% (87) |
| 2020-21 | 191 | 9 | 21.2:1 | 64% (123) |
| 2017-18 | 63 | 2.8 | 22.9:1 | 46% (29) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Delta Keys Charter.
Since 2017-18: students up 98% (63 to 125); teachers up 155% (2.8 to 7).
About Delta Keys Charter
Delta Keys Charter is classified as a combined-grade school. It is located in Tracy, California. Enrollment in 2024-25 was 125 students in kindergarten through 12. The average for combined schools in California is about 602 students, so this school is 79% smaller than average.
Within New Jerusalem Elementary, Delta Keys Charter is one of 6 schools. The district enrolls 1,680 students.
By race and ethnicity, Delta Keys Charter is 64% Hispanic. The school is also 14% White, 8% multiracial, 7% Black, and 7% Asian. That is higher than the 43% Hispanic share among all San Joaquin County residents. By the diversity index, Delta Keys Charter comes in at 56%.
Federal staffing data show 7 full-time-equivalent teachers at Delta Keys Charter and a ratio of 17.8:1. That ratio is under the 18.6:1 average for combined schools in California. Free or reduced-price lunch eligibility covers 73% of students.
San Joaquin County has these Census figures: median household income is about $92,179, a bachelor's degree or higher is held by about 23% of adults, and the poverty rate is about 10%. The public schools of San Joaquin County number 251 and enroll about 153,026.
The next-closest public school is Delta Home Charter, less than a tenth of a mile away. In all, at least 8 other public schools sit within five miles of Delta Keys Charter.
Federal data place Delta Keys Charter in the Rural: Fringe locale, which means it is in rural territory close to an urban area. As a charter school, Delta Keys Charter is publicly funded and operates under a charter. In federal data, Delta Keys Charter is a virtual school.
A comparison of 2020-21 and 2024-25 shows enrollment down 35%, from 191 to 125. The school's ratio fell from 21.2:1 to 17.8:1 between 2020-21 and 2024-25.
Discussion on this page can cover sports tryouts, band and choir, and theater. Posting is open to anyone connected to the school.
San Joaquin County at a glance
View full county profilePopulation
797,334
Census ACS
Median income
$92,179
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
251
153,026 students
Quick facts
Related schools
Other schools in New Jerusalem Elementary
- Delta CharterCombined · 772 students
- Delta Charter OnlineCombined · 282 students
- Delta Home CharterCombined · 265 students
- New JerusalemElementary · 217 students
- New Jerusalem ElementaryElementary · 19 students
Other schools in Tracy
- Merrill F. West HighHigh · 1,920 students
- Tracy HighHigh · 1,739 students
- John C. Kimball HighHigh · 1,587 students
- George Kelly ElementaryElementary · 929 students
- Corral Hollow ElementaryElementary · 806 students
- South/West Park ElementaryElementary · 806 students
Nearby schools
- Delta Home Charter0.0 mi · 265
- Valley View Charter Prep0.0 mi · 655
- New Jerusalem0.0 mi · 217
- New Jerusalem Elementary0.0 mi · 19
- Delta Charter0.0 mi · 772
- Delta Charter Online0.0 mi · 282
Frequently asked questions
About Delta Keys CharterWhat is the total enrollment at Delta Keys Charter?
Delta Keys Charter enrolls approximately 125 students in grades KG-12.
Is Delta Keys Charter an elementary, middle, or high school?
Delta Keys Charter is a combined-grade school covering grades KG-12.
How many students per teacher at Delta Keys Charter?
Approximately 17.8:1 students per teacher at Delta Keys Charter.
How diverse is Delta Keys Charter?
Delta Keys Charter reports a student body of 14% White, 64% Hispanic, 7% Black, 7% Asian, 8% Two or more.
Is Delta Keys Charter public or private?
Delta Keys Charter is a public K-12 school operated as a charter, overseen by New Jerusalem Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.