Serving 383 students in grades Kindergarten-6, Aileen Colburn Elementary School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 27% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 38% (which is lower than the California state average of 47%).
The student-teacher ratio of 20:1 is lower than the California state level of 21:1.
Minority enrollment is 90% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-6
- Enrollment: 383 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 90%
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 27% (Btm 50%)
- Reading Proficiency: 38% (Btm 50%)
- Science Proficiency: 15-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Aileen Colburn Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Most improved public schools
School Overview
Aileen Colburn Elementary School's student population of 383 students has stayed relatively flat over five school years.
The teacher population of 19 teachers has grown by 5% over five school years.
Grades Offered
Grades Kindergarten-6
Total Students
383 students
Gender %
Total Classroom Teachers
19 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Motto
A Tradition of Excellence
School Rankings
Aileen Colburn Elementary School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Aileen Colburn Elementary School is 0.27, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#5126 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
27%
34%
Reading/Language Arts Test Scores (% Proficient)
38%
47%
Science Test Scores (% Proficient)
15-19%
29%
Student-Teacher Ratio
20:1
21:1
American Indian
1%
1%
Asian
1%
12%
Hispanic
85%
56%
Black
2%
5%
White
10%
20%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Eligible for Free Lunch
86%
54%
Eligible for Reduced Lunch
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Aileen Colburn Elementary School's ranking?
Aileen Colburn Elementary School is ranked #5126 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
27% of students have achieved math proficiency (compared to the 34% CA state average), while 38% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Aileen Colburn Elementary School?
383 students attend Aileen Colburn Elementary School.
What is the racial composition of the student body?
85% of Aileen Colburn Elementary School students are Hispanic, 10% of students are White, 2% of students are Black, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Aileen Colburn Elementary School?
Aileen Colburn Elementary School has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Aileen Colburn Elementary School offer ?
Aileen Colburn Elementary School offers enrollment in grades Kindergarten-6
What school district is Aileen Colburn Elementary School part of?
Aileen Colburn Elementary School is part of Atwater Elementary School District.
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