Serving 1,606 students in grades Kindergarten-12, Mueller Charter (Robert L.) ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 31% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 49% (which is higher than the California state average of 47%).
The student:teacher ratio of 22:1 is equal to the California state level of 22:1.
Minority enrollment is 95% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 1,606 students
- Student:Teacher Ratio: 22:1
- Minority Enrollment: 95%
- Graduation Rate: ≥95% (Top 20% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 31% (Top 50%)
- Reading Proficiency: 49% (Top 50%)
- Science Proficiency: 26% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Mueller Charter (Robert L.) ranks among the top 20% of public schools in California for:
Category
Attribute
Graduation Rate
School Overview
Mueller Charter (Robert L.)'s student population of 1,606 students has stayed relatively flat over five school years.
The teacher population of 72 teachers has grown by 5% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
1,606 students
Gender %
Total Classroom Teachers
72 teachers
Students by Grade
School Calendar
School Rankings
Mueller Charter (Robert L.) ranks within the top 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Mueller Charter (Robert L.) is 0.19, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#4000 out of 9602 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
31%
33%
Reading/Language Arts Test Scores (% Proficient)
49%
47%
Science Test Scores (% Proficient)
26%
29%
Student : Teacher Ratio
22:1
22:1
American Indian
n/a
1%
Asian
2%
12%
Hispanic
90%
55%
Black
2%
5%
White
5%
21%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Graduation Rate
≥95%
87%
Eligible for Free Lunch
66%
51%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Mueller Charter (Robert L.)'s ranking?
Mueller Charter (Robert L.) is ranked #4000 out of 9,602 schools, which ranks it among the top 50% of public schools in California.
What schools are Mueller Charter (Robert L.) often compared to?
Mueller Charter (Robert L.)is often viewed alongside schools like Chula Vista Learning Community Charter by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
31% of students have achieved math proficiency (compared to the 33% CA state average), while 49% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Mueller Charter (Robert L.)?
The graduation rate of Mueller Charter (Robert L.) is 95%, which is higher than the California state average of 87%.
How many students attend Mueller Charter (Robert L.)?
1,606 students attend Mueller Charter (Robert L.).
What is the racial composition of the student body?
90% of Mueller Charter (Robert L.) students are Hispanic, 5% of students are White, 2% of students are Asian, 2% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Mueller Charter (Robert L.)?
Mueller Charter (Robert L.) has a student ration of 22:1, which is equal to the California state average of 22:1.
What grades does Mueller Charter (Robert L.) offer ?
Mueller Charter (Robert L.) offers enrollment in grades Kindergarten-12
What school district is Mueller Charter (Robert L.) part of?
Mueller Charter (Robert L.) is part of Mueller Charter (Robert L.) School District.
School Reviews
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