Serving 117 students in grades Kindergarten-8, Gratton Charter ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 65-69% (which is higher 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 28% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 117 students
- Student:Teacher Ratio: 20:1
- Minority Enrollment: 28%
- Overall Testing Rank: Top 20% in CA
- Math Proficiency: 55-59% (Top 20%)
- Reading Proficiency: 65-69% (Top 20%)
- Science Proficiency: 40-59% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Gratton Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Community Size
School Overview
Gratton Charter's student population of 117 students has declined by 10% over five school years.
The teacher population of 6 teachers has grown by 20% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
117 students
Gender %
Total Classroom Teachers
6 teachers
School Rankings
Gratton Charter ranks within the top 20% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Gratton Charter is 0.43, 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
#1330 out of 9602 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
55-59%
33%
Reading/Language Arts Test Scores (% Proficient)
65-69%
47%
Science Test Scores (% Proficient)
40-59%
29%
Student : Teacher Ratio
20:1
21:1
American Indian
n/a
1%
Asian
2%
12%
Hispanic
24%
56%
Black
1%
5%
White
72%
20%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Eligible for Free Lunch
21%
54%
Eligible for Reduced Lunch (19-20)
3%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Gratton Charter's ranking?
Gratton Charter is ranked #1330 out of 9,602 schools, which ranks it among the top 20% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 33% CA state average), while 65-69% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Gratton Charter?
117 students attend Gratton Charter.
What is the racial composition of the student body?
72% of Gratton Charter students are White, 24% of students are Hispanic, 2% of students are Asian, 1% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Gratton Charter?
Gratton Charter has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Gratton Charter offer ?
Gratton Charter offers enrollment in grades Kindergarten-8
What school district is Gratton Charter part of?
Gratton Charter is part of Gratton Elementary School District.
School Reviews
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