Serving 156 students in grades Kindergarten-8, Cinnabar Charter 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 25-29% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is lower than the California state average of 47%).
The student-teacher ratio of 17:1 is lower than the California state level of 21:1.
Minority enrollment is 85% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 156 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 85%
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 25-29% (Btm 50%)
- Reading Proficiency: 30-34% (Btm 50%)
- Science Proficiency: 11-19% (Btm 50%)
- Attendance Zone: Cinnabar Elementary's attendance zone covers the entire school district in Petaluma, CA, encompassing approximately 2.4 square miles. Typically, it takes about 5-10 minutes to drive to the school from anywhere within the zone, which extends up to 1.7 miles from its furthest edge.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Cinnabar Charter's student population of 156 students has declined by 32% over five school years.
The teacher population of 9 teachers has declined by 18% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
156 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
9 teachers
Showing 2014–2025. Full 39-year historical data available below ↓
School Calendar
School Rankings
Cinnabar Charter 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 Cinnabar Charter is 0.34, 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
#5677 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Showing 2011–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
25-29%
34%
Showing 2011–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
30-34%
47%
Science Test Scores (% Proficient)
11-19%
29%
Student-Teacher Ratio
17:1
21:1
Showing 2014–2025. Full 39-year historical data available below ↓
American Indian
1%
1%
Hispanic
80%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
1%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
White
15%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
3%
6%
Showing 2015–2025. Full 16-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)32.1%
27.7%
Eligible for Free Lunch
64%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
19%
8%
Showing 2015–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Cinnabar Charter's ranking?
Cinnabar Charter is ranked #5677 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Cinnabar Charter often compared to?
Cinnabar Charteris often viewed alongside schools like Dunham Charter, Corona Creek Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 34% CA state average), while 30-34% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Cinnabar Charter?
156 students attend Cinnabar Charter.
What is the racial composition of the student body?
80% of Cinnabar Charter students are Hispanic, 15% of students are White, 3% of students are Two or more races, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Cinnabar Charter?
Cinnabar Charter has a student ration of 17:1, which is lower than the California state average of 21:1.
What grades does Cinnabar Charter offer ?
Cinnabar Charter offers enrollment in grades Kindergarten-8
What school district is Cinnabar Charter part of?
Cinnabar Charter is part of Cinnabar Elementary School District.
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