286 Skillman Ln.
Petaluma, CA 94952
(School attendance zone shown in map)
Rating
5/
10
Bottom 50%
Cinnabar Charter serves 243 students in grades Kindergarten-8.
Cinnabar Charter placed in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is top 50%) for the 2018-19 school year.
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 20:1 is lower than the California state level of 23:1.
Minority enrollment is 66% of the student body (majority Hispanic), which is lower than the California state average of 77% (majority Hispanic).

School Overview

Cinnabar Charter's student population of 243 students has declined by 5% 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
243 students
This chart display total students of Cinnabar Charter by year, with the latest 2017-18 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 2017-18 school year data.
Students by Grade
This chart display the students of Cinnabar Charter by grade.

School Rankings

Cinnabar Charter is ranked within the bottom 50% of all 9,659 schools in California (based off of combined math and reading proficiency testing data) for the 2018-19 school year.
The diversity score of Cinnabar Charter is 0.50, 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.
Definition of Terms 2017-2018 School Year Data
This School
State Level (CA)
Overall Testing Rank
#5437 out of 9659 schools
(Bottom 50%)
This chart display the overall school rank of Cinnabar Charter, with the latest 2018-19 school year data.
Math Test Scores (% Proficient)
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)
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
20:1
23:1
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 2017-18 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
62%
54%
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 2017-18 school year data.
Black
1%
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 2005-06 school year data.
White
34%
23%
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 2017-18 school year data.
Hawaiian
1%
1%
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%
4%
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 2017-18 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
0.50
This chart display the diversity score of Cinnabar Charter and the public school average diversity score of California by year, with the latest 2017-18 school year data.
Eligible for Free Lunch
27%
53%
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 2017-18 school year data.
Eligible for Reduced Lunch
2%
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 2017-18 school year data.
Source: 2017-2018 (latest school year available) NCES, CA Dept. of Education

School Reviews

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Quick Stats (2022)

  • School Type: Charter School
  • Grades: Kindergarten-8
  • Students: 243 students
  • Student:Teacher Ratio: 20:1
  • Minority Enrollment: 66%
  • Overall Testing Rank
    : Bottom 50% in CA
  • Math Proficiency
    : 20-24% (Btm 50%)
  • Reading Proficiency
    : 50-54% (Top 50%)
  • Diversity Score
    : 0.50 (Btm 50%)

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