Below Average
#7843 of 9,539 schools in CA
Delta Sierra Middle
Middle School · Lodi Unified
2255 Wagner Heights Rd., Stockton, CA 95209
Enrollment
576
Student-Teacher
20.6:1
Score
4.6
Grades
7th – 8th
Enrollment
576
Student-Teacher
20.6:1
Score
4.6
Grades
7th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#7,843 of 9,539
In Stockton
#76 of 109
public schools
In district
#38 of 46
Lodi Unified
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Delta Sierra Middle
Middle School in Stockton · grades 7th – 8th. Start here, then compare fit against nearby and district options.
Plaza Robles Continuation High
0.2 mi away. Use as a geographic alternative in the same move search.
Creekside Elementary
0.6 mi away. Use as a geographic alternative in the same move search.
About Delta Sierra Middle
Delta Sierra Middle is a public middle school in Stockton, CA, part of Lodi Unified. Delta Sierra Middle serves approximately 576 students, and covers grades 7th-8th, and has a 20.6:1 student-teacher ratio. Delta Sierra Middle has a current MySchoolScout rating of 4.6 out of 10 and ranks #7,843 of 9,539 schools in CA.
Structured state assessment records for Delta Sierra Middle show 15% math proficiency (multi-year average, 2009-2024) and 28% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 4.6 · Below Average
- District avg 6.7
- CA avg 6.5
What Parents Should Know
Delta Sierra Middle runs 20.6:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
53% of students at Delta Sierra Middle were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Delta Sierra Middle — Students at Delta Sierra Middle score 15% proficient, which is below what's typical for similar communities (expected: 21%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
94.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 34 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 5.8/10.
How Delta Sierra Middle Compares
See how Delta Sierra Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
2255 Wagner Heights Rd., Stockton, CA 95209
Nearby Alternatives
Families considering Delta Sierra Middle may also want to explore other middle schools in the area. Elkhorn (rated 8.5/10, 1.1 miles away), which scores notably higher. Another option is Christa McAuliffe Middle (rated 6.6/10, 1.5 miles away), which scores notably higher. Additionally, Sierra Middle (rated 5.2/10, 1.9 miles away), which scores slightly higher. For more schools in Stockton, see our Stockton schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| Plaza Robles Continuation High Stockton | 0.2 mi | 5.3 |
| Creekside Elementary Stockton | 0.6 mi | 3.5 |
| Wagner-Holt Elementary Stockton | 0.7 mi | 4.2 |
| John Muir Elementary Stockton | 0.9 mi | 7.9 |
| Oakwood Elementary Stockton | 0.7 mi | 5.3 |
| Colonial Heights Stockton | 0.9 mi | 5.6 |
| Elkhorn Stockton | 1.1 mi | 8.5 |
| John R. Williams Stockton | 1.2 mi | 4.0 |
| Bear Creek High Stockton | 1.2 mi | 6.5 |
| Podesta Ranch Elementary Stockton | 1.2 mi | 5.5 |
| Julia Morgan Elementary Stockton | 1.4 mi | 5.6 |
| Kennedy Elementary Stockton | 1.4 mi | 4.7 |
| Lincoln High Stockton | 1.7 mi | 6.1 |
| Christa McAuliffe Middle Stockton | 1.5 mi | 6.6 |
| Sierra Middle Stockton | 1.9 mi | 5.2 |
| PRESENTATION PARISH SCHOOL Stockton | 2.0 mi | 6.0 |
| Presentation Parish School Stockton | 2.0 mi | — |
| Lincoln Elementary Stockton | 1.9 mi | 5.6 |
| Tully C. Knoles Stockton | 2.3 mi | 3.9 |
| Mable Barron Stockton | 2.3 mi | 4.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95209 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$106,056
Median Home Value
$464,900
Median Rent
$1,813/mo
Population
46,567
College Educated
25%
Homeownership
74.2%
Avg Commute
31.6 min
Poverty Rate
7.6%
Median Age
36.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Castle Park Middle Chula Vista, CA | 4.6 |
| Central Middle Riverside, CA | 4.6 |
| Cesar E. Chavez Middle Watsonville, CA | 4.6 |
| Compton Junior High Bakersfield, CA | 4.6 |
| Equitas Academy 4 Los Angeles, CA | 4.6 |
| John Barrett Middle Carmichael, CA | 4.6 |
Frequently Asked Questions
Common questions about Delta Sierra Middle
What grades does Delta Sierra Middle serve?
Delta Sierra Middle serves students in grades 7th through 8th.
How many students attend Delta Sierra Middle?
Delta Sierra Middle has an enrollment of approximately 576 students.
What is the student-teacher ratio at Delta Sierra Middle?
The student-teacher ratio at Delta Sierra Middle is 20.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Delta Sierra Middle rank in CA?
Delta Sierra Middle ranks #7,843 of 9,539 schools in CA.
What is Delta Sierra Middle's MySchoolScout rating?
Delta Sierra Middle has a current MySchoolScout rating of 4.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Delta Sierra Middle?
Based on loaded state assessment records, Delta Sierra Middle has 15% math proficiency (multi-year average, 2009-2024) and 28% reading/ELA proficiency (multi-year average, 2009-2024).
Is Delta Sierra Middle a charter school?
No, Delta Sierra Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Delta Sierra Middle a Title I school?
No, Delta Sierra Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Delta Sierra Middle?
94.6% of students at Delta Sierra Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
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Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 7th – 8th
- Enrollment
- 576
- Student-Teacher Ratio
- 20.6:1
- Teachers (FTE)
- 28
- Free/Reduced Lunch
- 94.6%
- Type
- regular
- Setting
- Large City
- County
- San Joaquin County
- Chronic Absenteeism (SY 2022-23)
- 52.8%
- Phone
- (209) 953-8510
Resources & Links
District
Lodi Unified- District Enrollment
- 27,172
- Schools in District
- 49
- Per-Pupil Spending
- $16,533
- District Rank
- #38 of 46
Other Schools in This District
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