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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

Charter

Enrollment

1,555

Student-Teacher

22.5:1

Score

6.2

Grades

Kindergarten – 12th

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 metrics
Student Progress5.4Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.3 pts/yr
Data Period2019–2024
TrendDeclining
Academics8.0Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency37.5%
Reading/ELA Proficiency50.4%
Math vs. State Avg-8.2 pts
Reading vs. State Avg+7.6 pts
Overall Proficiency44%
Expected (poverty-adj.)33%
vs. Expected+10.6 pts
Adjusted Percentile70th
College Readiness6.5Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment4.6Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio22.5:1

Mueller Charter (robert L.) — Students at Mueller Charter (robert L.) score 44% proficient, which is above what's typical for similar communities (expected: 33%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

72.9%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 37.9%
School
State
35.7%
ELA Proficiency 51.6%
School
State
47.1%

Based on 18 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
42%
ELA
59%
2024
Math
37.4%
ELA
50.6%

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.

Overall Score
6.2/10
48th percentile in CA
Academic
8.0/10
8.0/10
Growth
5.4/10
Above average
Environment
4.6/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
73%
Teaching Staff
23:1 student-teacher ratio
69 teachers

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
58 Somewhat Walkable
Transit Score
57 Good Transit
Bike Score
64 Bikeable
City Safety
High (1,521/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Chula Vista). Data >1 year old.

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
Data Year
2023–2024

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 methodology

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