Very Good
#3130 of 9,533 schools in CA
Top 33% in state
Delta Charter
School · New Jerusalem Elementary
31400 South Koster Rd., Tracy, CA 95304
Enrollment
811
Student-Teacher
16.6:1
Score
7.1
Grades
Kindergarten – 12th
Enrollment
811
Student-Teacher
16.6:1
Score
7.1
Grades
Kindergarten – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Tracy
#7 of 31
public schools
California schools
#57 of 475
In district
#1 of 5
New Jerusalem Elementary
Academic growth
9.2 / 10
Exceptional
About Delta Charter
Delta Charter is a charter school serving kindergarten through 12th grade in Tracy, California, with 811 students and 49 full-time equivalent teachers, creating a student-teacher ratio of about 17 to 1. Located on South Koster Road in a rural area near town, the school operates as a regular public school within San Joaquin County's educational landscape. Academically, Delta Charter is working to strengthen student achievement in core subjects.
Currently, 39% of students are performing at proficient levels or above in English language arts and reading across grade levels, while math proficiency sits at 24% or above. These figures indicate an area where the school is focusing its efforts on student development and academic growth. The school's MySchoolScout rating of 5.9 out of 10 reflects these academic challenges, with a state ranking around the 58th percentile among California schools.
The charter school model allows Delta Charter flexibility in its educational approach as it serves families throughout the region. With enrollment spanning from early elementary through high school, the school manages the complex task of supporting student learning across a wide developmental range. The rural setting near Tracy provides a quieter community environment for students and families seeking an alternative educational pathway through the charter school system.
What Parents Should Know
Delta Charter is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Located in a rural area, Delta Charter may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Delta Charter — Students at Delta Charter score 32% proficient, which is below what's typical for similar communities (expected: 46%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
51.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 20 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.2/10.
How Delta Charter Compares
See how Delta Charter performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 23% (2019) to 24.31% (2024). Reading/ELA proficiency has improved from 34% (2019) to 40.3% (2024).
Location
31400 South Koster Rd., Tracy, CA 95304
Nearby Alternatives
Families considering Delta Charter may also want to explore other schools in the area. Valley View Charter Prep (rated 6.9/10, in nearby Sacramento), with a very similar rating. Another option is Delta Keys Charter (rated 6.2/10, in nearby Lathrop), with a comparable rating. Additionally, Delta Home Charter (rated 5.7/10), a more accessible option. For more schools in Tracy, see our Tracy schools guide .
Nearby Schools
20 within 7.3 mi| School | Distance | Rating |
|---|---|---|
| Valley View Charter Prep Sacramento | 0.0 mi | 6.9 |
| New Jerusalem Elementary Tracy | 0.0 mi | — |
| New Jerusalem Tracy | 0.0 mi | 4.1 |
| Delta Home Charter Tracy | 0.0 mi | 5.7 |
| Delta Keys Charter Lathrop | 0.0 mi | 6.2 |
| Delta Charter Online Lathrop | 0.0 mi | 5.0 |
| Rising Sun Patterson | 4.4 mi | — |
| Jefferson Tracy | 4.4 mi | 8.0 |
| Tom Hawkins Elementary Tracy | 5.8 mi | 6.8 |
| Banta Charter Tracy | 6.7 mi | 3.5 |
| Banta Elementary Tracy | 6.7 mi | 5.5 |
| MONTESSORI ELEMENTARY & MIDDLE SCHOOL OF TRACY Tracy | 6.1 mi | 7.1 |
| Louis A. Bohn Elementary Tracy | 6.7 mi | 7.4 |
| Gladys Poet-Christian Elementary Tracy | 6.7 mi | 4.0 |
| Grace Mennonite School Winton | 7.0 mi | — |
| Tracy High Tracy | 7.3 mi | 6.1 |
| Monticello Elementary Tracy | 6.9 mi | 7.3 |
| Nile Garden Elementary Manteca | 7.6 mi | 4.7 |
| Anthony C. Traina Elementary Tracy | 6.8 mi | 6.7 |
| South/West Park Elementary Tracy | 7.3 mi | 8.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95304 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$114,359
Median Home Value
$869,300
Median Rent
$2,299/mo
Population
14,818
College Educated
28.5%
Homeownership
63.5%
Avg Commute
35.4 min
Poverty Rate
5.6%
Median Age
38.1
Community Profile
The community surrounding Delta Charter has a median household income of $114,359. It is an area where 29% of adults hold a bachelor's degree or higher. The median home value in the area is $869,300, with a median rent of $2,299/month. The local poverty rate of 5.6% is relatively low. The average commute in the area is 35 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CORNERSTONE CHRISTIAN SCHOOL Antioch, CA | 7.1 |
| Magnolia Science Academy Santa Ana Santa Ana, CA | 7.1 |
| Orcutt Academy Charter Orcutt, CA | 7.1 |
| Palmdale Academy Charter Palmdale, CA | 7.1 |
| Valley Oaks Charter Bakersfield, CA | 7.0 |
| CORE Butte Charter Chico, CA | 7.2 |
Frequently Asked Questions
Common questions about Delta Charter
What grades does Delta Charter serve?
Delta Charter serves students in grades Kindergarten through 12th.
How many students attend Delta Charter?
Delta Charter has an enrollment of approximately 811 students.
What is the student-teacher ratio at Delta Charter?
The student-teacher ratio at Delta Charter is 16.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Delta Charter rank in CA?
Delta Charter is ranked #3130 out of 9,533 schools in CA.
What is Delta Charter's MySchoolScout rating?
Delta Charter has a composite rating of 7.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Delta Charter?
Based on the most recent state assessment data, Delta Charter has 24.5% math proficiency and 38.6% reading/ELA proficiency.
Is Delta Charter a charter school?
Yes, Delta Charter is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Delta Charter a Title I school?
No, Delta Charter is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Delta Charter?
51.4% of students at Delta Charter qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 12th
- Enrollment
- 811
- Student-Teacher Ratio
- 16.6:1
- Teachers (FTE)
- 49
- Free/Reduced Lunch
- 51.4%
- Type
- regular
- Setting
- Fringe Rural
- County
- San Joaquin County
- Phone
- (209) 830-6363
- Data Year
- 2023–2024
Resources & Links
District
New Jerusalem Elementary- District Enrollment
- 1,643
- Schools in District
- 6
- Per-Pupil Spending
- $16,186
- District Rank
- #1 of 5
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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