Average
#5006 of 9,533 schools in CA
Mueller Charter (robert L.)
School · Mueller Charter (Robert L.) District
715 I St., Chula Vista, CA 91910
Enrollment
1,555
Student-Teacher
22.5:1
Score
6.2
Grades
Kindergarten – 12th
Enrollment
1,555
Student-Teacher
22.5:1
Score
6.2
Grades
Kindergarten – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Chula Vista
#25 of 62
public schools
California schools
#172 of 475
Academic performance
8.0 / 10
Very strong
About Mueller Charter (robert L.)
Robert L. Mueller Charter serves 1,555 students from kindergarten through 12th grade in Chula Vista, with a student-teacher ratio of 22.5 to 1 across its 69 full-time equivalent teaching staff. This public charter school ranks in the 67th percentile statewide, placing it at #3150 out of 9566 California schools with a MySchoolScout rating of 6.6 out of 10.
Academically, Mueller Charter shows solid performance in English Language Arts, with 51% of students achieving proficiency or above across grade levels. Mathematics presents an area with room for growth, as 37% of students demonstrate proficiency. The school's comprehensive K-12 structure allows families to maintain continuity within a single educational community throughout their children's academic journey.
The school draws from a stable middle-class neighborhood where the median household income reaches $84,111 and home values average $621,200. About 27% of area residents hold bachelor's degrees or higher, while the poverty rate remains relatively low at 11%. Located on I Street in this large San Diego County city, Mueller Charter operates within a diverse suburban community that balances educational opportunity with economic stability.
What Parents Should Know
The student-teacher ratio at Mueller Charter (robert L.) is 22.5:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Mueller Charter (robert L.) 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.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Mueller Charter (robert L.) — Students at Mueller Charter (robert L.) score 44% proficient, which is above what's typical for similar communities (expected: 33%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
72.9%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 18 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.4/10.
How Mueller Charter (robert L.) Compares
See how Mueller Charter (robert L.) performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 42% (2019) to 37.45% (2024). Reading/ELA proficiency has declined from 59% (2019) to 50.44% (2024).
Location
715 I St., Chula Vista, CA 91910
Nearby Alternatives
Families considering Mueller Charter (robert L.) may also want to explore other schools in the area. Chula Vista Learning Community Charter (rated 7.6/10, 0.8 miles away), which scores notably higher. Another option is SOUTH BAY CHRISTIAN ACADEMY (rated 7.2/10, 1.5 miles away), which scores slightly higher. Additionally, BEREAN BIBLE BAPTIST ACADEMY (rated 5.4/10, 0.9 miles away), with a comparable rating. For more schools in Chula Vista, see our Chula Vista schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| Innovative online academy Chula Vista | 0.4 mi | — |
| Davila Day Chula Vista | 0.6 mi | — |
| Vista Square Elementary Chula Vista | 0.7 mi | 6.2 |
| Chula Vista Middle Chula Vista | 0.7 mi | 4.8 |
| Chula Vista Learning Community Charter Chula Vista | 0.8 mi | 7.6 |
| BEREAN BIBLE BAPTIST ACADEMY Chula Vista | 0.9 mi | 5.4 |
| Berean Bible Baptist Academy Chula Vista | 0.9 mi | — |
| Howard Gardner Community Charter Chula Vista | 1.0 mi | 2.8 |
| Feaster (Mae L.) Charter Chula Vista | 1.1 mi | 3.8 |
| Chula Vista Senior High Chula Vista | 1.0 mi | 7.3 |
| Hawking S.T.E.A.M. Charter Chula Vista | 1.1 mi | 5.4 |
| ST ROSE OF LIMA SCHOOL Chula Vista | 1.1 mi | 4.9 |
| Harborside Elementary Chula Vista | 1.4 mi | 4.8 |
| Rice (Lilian J.) Elementary Chula Vista | 1.2 mi | 4.6 |
| Options Secondary Chula Vista | 1.3 mi | 6.2 |
| SOUTH BAY CHRISTIAN ACADEMY Chula Vista | 1.5 mi | 7.2 |
| Palomar High Chula Vista | 1.9 mi | 6.0 |
| Hilltop Drive Elementary Chula Vista | 1.7 mi | 6.2 |
| Rosebank Elementary Chula Vista | 2.0 mi | 5.3 |
| Lauderbach (J. Calvin) Elementary Chula Vista | 2.0 mi | 5.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91910 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$87,705
Median Home Value
$676,700
Median Rent
$1,930/mo
Population
77,957
College Educated
28.6%
Homeownership
50.6%
Avg Commute
26.2 min
Poverty Rate
10.3%
Median Age
38.4
Community Profile
The community surrounding Mueller Charter (robert L.) has a median household income of $87,705. It is an area where 29% of adults hold a bachelor's degree or higher. The median home value in the area is $676,700, with a median rent of $1,930/month. The area has a poverty rate of 10.3%. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CONVENT & STUART HALL SCHOOLS OF THE SACRED HEART San Francisco, CA | 6.2 |
| Elite Academic Academy - Lucerne Temecula, CA | 6.2 |
| CROSSROADS SCHOOL FOR ARTS & SCIENCES Santa Monica, CA | 6.3 |
| iQ Academy California-Los Angeles Simi Valley, CA | 6.3 |
| Crescent View South II Fresno, CA | 6.1 |
| San Joaquin County Community Stockton, CA | 6.1 |
Frequently Asked Questions
Common questions about Mueller Charter (robert L.)
What grades does Mueller Charter (robert L.) serve?
Mueller Charter (robert L.) serves students in grades Kindergarten through 12th.
How many students attend Mueller Charter (robert L.)?
Mueller Charter (robert L.) has an enrollment of approximately 1,555 students.
What is the student-teacher ratio at Mueller Charter (robert L.)?
The student-teacher ratio at Mueller Charter (robert L.) is 22.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mueller Charter (robert L.) rank in CA?
Mueller Charter (robert L.) is ranked #5006 out of 9,533 schools in CA.
What is Mueller Charter (robert L.)'s MySchoolScout rating?
Mueller Charter (robert L.) has a composite rating of 6.2 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 Mueller Charter (robert L.)?
Based on the most recent state assessment data, Mueller Charter (robert L.) has 37.9% math proficiency and 51.6% reading/ELA proficiency.
Is Mueller Charter (robert L.) a charter school?
Yes, Mueller Charter (robert L.) is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Mueller Charter (robert L.) a Title I school?
No, Mueller Charter (robert L.) is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mueller Charter (robert L.)?
72.9% of students at Mueller Charter (robert L.) qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 12th
- Enrollment
- 1,555
- Student-Teacher Ratio
- 22.5:1
- Teachers (FTE)
- 69
- Free/Reduced Lunch
- 72.9%
- Type
- regular
- Setting
- Large City
- County
- San Diego County
- Phone
- (619) 422-6192
- Data Year
- 2023–2024
Resources & Links
District
Mueller Charter (Robert L.) District- District Enrollment
- 1,555
- Schools in District
- 1
- District Rank
- #1 of 1
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.
Read our full methodologyRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.