Cinnabar Charter

286 Skillman Ln.
Petaluma, CA 94952
(School attendance zone shown in map)
Cinnabar Charter serves 206 students in grades Kindergarten-8.
The percentage of students achieving proficiency in math is 20-24% (which is lower than the California state average of 40%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the California state average of 51%) for the 2018-19 school year.
The student:teacher ratio of 17:1 is lower than the California state level of 21:1.
Minority enrollment is 76% of the student body (majority Hispanic), which is lower than the California state average of 79% (majority Hispanic).

Quick Stats (2023-24)

  • School Type: Charter School
  • Grades: Kindergarten-8
  • Enrollment: 206 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 76%
  • Math Proficiency
    : 20-24%
  • Reading Proficiency
    : 50-54%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Cinnabar Charter ranks among the top 20% of public schools in California for:

School Overview

Cinnabar Charter's student population of 206 students has declined by 20% over five school years.
The teacher population of 12 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
206 students
This chart display total students of Cinnabar Charter by year, with the latest 2021-22 school year data.
Gender %
This chart display gender of Cinnabar Charter
Total Classroom Teachers
12 teachers
This chart display the total teachers of Cinnabar Charter by year, with the latest 2021-22 school year data.
Students by Grade
This chart display the students of Cinnabar Charter by grade.

School Rankings

The diversity score of Cinnabar 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.
Definition of Terms 2021-2022 School Year Data
This School
State Level (CA)
Math Test Scores (% Proficient)
(18-19)
20-24%
40%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Cinnabar Charter and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2018-19 school year data.
Reading/Language Arts Test Scores (% Proficient)
(18-19)
50-54%
51%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Cinnabar Charter and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2018-19 school year data.
Student : Teacher Ratio
17:1
21:1
This chart display the student teacher ratio of Cinnabar Charter and the public school average student teacher ratio of California by year, with the latest 2021-22 school year data.
American Indian
n/a
1%
Asian
n/a
12%
This chart display the percentage of Asian students in Cinnabar Charter and the percentage of Asian public school students in California by year, with the latest 2015-16 school year data.
Hispanic
72%
56%
This chart display the percentage of Hispanic students in Cinnabar Charter and the percentage of Hispanic public school students in California by year, with the latest 2021-22 school year data.
Black
2%
5%
This chart display the percentage of Black students in Cinnabar Charter and the percentage of Black public school students in California by year, with the latest 2021-22 school year data.
White
24%
21%
This chart display the percentage of White students in Cinnabar Charter and the percentage of White public school students in California by year, with the latest 2021-22 school year data.
Hawaiian
n/a
n/a
This chart display the percentage of Hawaiian students in Cinnabar Charter and the percentage of Hawaiian public school students in California by year, with the latest 2011-12 school year data.
Two or more races
2%
5%
This chart display the percentage of students of two or more races in Cinnabar Charter and the percentage of public school students of two or more races in California by year, with the latest 2021-22 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Cinnabar Charter.
This chart display the percentage breakdown of public school students of all ethnic groups in CA.
Diversity Score
0.43
This chart display the diversity score of Cinnabar Charter and the public school average diversity score of California by year, with the latest 2021-22 school year data.
Eligible for Free Lunch
55%
51%
This chart display the percentage of students who is eligible for free lunch in Cinnabar Charter and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2021-22 school year data.
Eligible for Reduced Lunch
17%
7%
This chart display the percentage of students who is eligible for reduced lunch in Cinnabar Charter and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2021-22 school year data.
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What schools are Cinnabar Charter often compared to?
Cinnabar Charteris often viewed alongside schools like Dunham Charter by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-24% of students have achieved math proficiency (compared to the 40% CA state average), while 50-54% of students have achieved reading proficiency (compared to the 51% CA state average).
How many students attend Cinnabar Charter?
206 students attend Cinnabar Charter.
What is the racial composition of the student body?
72% of Cinnabar Charter students are Hispanic, 24% of students are White, 2% of students are Black, and 2% of students are Two or more races.
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.

School Reviews

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Quick Stats (2023-24)

  • School Type: Charter School
  • Grades: Kindergarten-8
  • Enrollment: 206 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 76%
  • Math Proficiency
    : 20-24%
  • Reading Proficiency
    : 50-54%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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