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Public School Review - Established 2003

Cinnabar Elementary School District

286 Skillman Ln.
Petaluma, CA 94952-1226
(District boundaries shown in map)
: 
5/
10
Bottom 50%
Tel: (707) 765-4345
www.cinnabar.org
For the 2026 school year, there are 2 public schools serving 176 students in Cinnabar Elementary School District. This district's average testing ranking is 4/10, which is in the bottom 50% of public schools in California.
Public Schools in Cinnabar Elementary School District have an average math proficiency score of 27% (versus the California public school average of 34%), and reading proficiency score of 32% (versus the 47% statewide average).
Minority enrollment is 85% of the student body (majority Hispanic), which is more than the California public school average of 80% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
2 Schools
10,347 Schools
# Students
176 Students
5,790,405 Students
# Teachers
10 Teachers
267,593 Teachers
Student-Teacher Ratio
18:1
18:1

Student By Grade

Comparison of Students By Grade Trends

GradeCinnabar Elementary School DistrictCalifornia
Kind33264
117187
220196
319204
426205
520209
615210
715213
811216
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District Rank

Cinnabar Elementary School District, which is ranked #1173 of all 1,904 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Definition of Terms
This School District
State Average (CA)
#1140 out of 1932 school districts
(Bottom 50%)

Overall School District Rank Trends

YearCinnabar Elementary School District
2023#1140
2022#1287
2019#1087
2018#643
2017#555
2016#473
2015#572
2013#138
2012#360
2011#448
2010#710
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27%
34%

Math Proficiency Trends

YearCinnabar Elementary School DistrictCalifornia
202327%34%
202222%33%
201922%40%
201827%39%
201732%38%
201627%37%
201527%34%
201382%59%
201267%59%
201162%58%
201052%56%
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30-34%
47%

Reading and Language Arts Proficiency Trends

YearCinnabar Elementary School DistrictCalifornia
202232%47%
201952%51%
201827%50%
201742%48%
201652%48%
201537%44%
201367%57%
201257%58%
201152%56%
201037%54%
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11-19%
29%

Students by Ethnicity:

0.35
0.63

Comparison of Diversity Score Trends

YearCinnabar Elementary School DistrictCalifornia
20240.380.63
20230.390.64
20220.440.63
20210.450.62
20200.480.63
20190.480.63
20180.470.64
20170.470.64
20160.470.64
20150.460.64
20140.410.65
20130.430.65
20120.480.65
20110.500.67
20100.520.67
20090.520.71
20080.530.65
20070.540.67
20060.520.66
20050.540.67
20040.530.67
20030.500.67
20020.470.67
20010.450.67
20000.430.67
19990.410.67
19980.360.67
19970.320.67
19960.200.67
19950.130.67
19940.130.67
19930.130.67
19920.130.67
19910.120.67
19900.100.66
19890.080.65
19880.060.65
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% American Indian
1%
1%
% Asian
n/a
12%

Asian Student Percentage Comparison Over Years (1990-2016)

YearCinnabar Elementary School DistrictCalifornia
20162%11%
20141%11%
20131%11%
20111%11%
20101%11%
20092%11%
20083%12%
20074%12%
20063%12%
20054%12%
20043%12%
20033%11%
20023%11%
20011%11%
20001%11%
19991%11%
19982%11%
19972%11%
19963%11%
19952%11%
19941%11%
19931%11%
19921%11%
19911%11%
19902%10%
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% Hispanic
79%
56%

Hispanic Student Percentage Comparison Over Years (1992-2024)

YearCinnabar Elementary School DistrictCalifornia
202477%56%
202376%55%
202272%56%
202171%56%
202066%55%
201966%55%
201866%54%
201766%54%
201666%54%
201567%54%
201473%53%
201370%53%
201265%52%
201163%51%
201058%50%
200953%49%
200854%50%
200742%49%
200638%48%
200536%47%
200438%46%
200335%45%
200227%44%
200126%43%
200026%42%
199925%41%
199819%40%
199717%40%
19967%39%
19954%38%
19945%37%
19935%36%
19925%35%
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% Black
1%
5%

Black Student Percentage Comparison Over Years (1990-2024)

YearCinnabar Elementary School DistrictCalifornia
20241%5%
20232%5%
20222%5%
20212%5%
20201%5%
20191%5%
20061%8%
20052%8%
20042%8%
20023%8%
20013%8%
20001%9%
19991%9%
19981%9%
19961%9%
19951%9%
19941%9%
19931%9%
19921%9%
19911%9%
19901%9%
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% White
15%
20%

White Student Percentage Comparison Over Years (1988-2024)

YearCinnabar Elementary School DistrictCalifornia
202417%20%
202320%21%
202224%21%
202123%22%
202029%23%
201929%23%
201832%24%
201732%24%
201631%24%
201532%24%
201426%25%
201329%25%
201232%26%
201136%27%
201040%27%
200945%28%
200843%29%
200754%29%
200658%31%
200558%31%
200457%32%
200362%34%
200267%35%
200170%36%
200071%37%
199973%38%
199878%39%
199781%39%
199689%40%
199593%41%
199493%42%
199393%43%
199293%44%
199194%45%
199095%47%
198996%49%
198897%50%
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% Hawaiian
1%
n/a

Native Hawaiian or Pacific Islander Student Percentage Comparison Over Years (2010-2012)

YearCinnabar Elementary School DistrictCalifornia
20121%1%
20101%1%
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% Two or more races
3%
6%

Two or More Races Student Percentage Comparison Over Years (2012-2024)

YearCinnabar Elementary School DistrictCalifornia
20244%6%
20231%6%
20222%5%
20213%5%
20203%4%
20193%4%
20182%4%
20172%4%
20161%4%
20151%3%
20121%3%
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All Ethnic Groups

District Revenue and Spending

The revenue/student of $26,483 is higher than the state median of $20,100. The school district revenue/student has grown by 54% over four school years.
The school district's spending/student of $22,761 is higher than the state median of $18,511. The school district spending/student has grown by 5% over four school years.
Definition of Terms
This School District
This State (CA)
Total Revenue
$5 MM
$116,387 MM

Total Revenues Trends

YearCinnabar Elementary School DistrictCalifornia
2023$5 MM$8 MM
2022$5 MM$7 MM
2021$5 MM$8 MM
2020$5 MM$7 MM
2019$5 MM$7 MM
2018$5 MM$29 MM
2017$5 MM$26 MM
2016$5 MM$24 MM
2015$2 MM$17 MM
2014$4 MM$21 MM
2012$3 MM$19 MM
2011$2 MM$19 MM
2010$2 MM$17 MM
2009$3 MM$19 MM
2008$2 MM$19 MM
2007$2 MM$19 MM
2006$2 MM$17 MM
2005$2 MM$16 MM
2004$2 MM$16 MM
2003$2 MM$16 MM
2002$2 MM$15 MM
2001$2 MM$15 MM
2000$2 MM$13 MM
1999$2 MM$12 MM
1998$2 MM$11 MM
1997$2 MM$10 MM
1996$2 MM$9 MM
1995$1 MM$8 MM
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Spending
$4 MM
$107,188 MM

Total Expenditure Trends

YearCinnabar Elementary School DistrictCalifornia
2023$4 MM$7 MM
2022$6 MM$7 MM
2021$4 MM$7 MM
2020$6 MM$7 MM
2019$4 MM$7 MM
2018$4 MM$29 MM
2017$4 MM$24 MM
2016$4 MM$23 MM
2015$2 MM$18 MM
2014$4 MM$21 MM
2012$2 MM$19 MM
2011$3 MM$19 MM
2010$2 MM$18 MM
2009$2 MM$18 MM
2008$3 MM$19 MM
2007$2 MM$18 MM
2006$2 MM$17 MM
2005$2 MM$16 MM
2004$3 MM$17 MM
2003$2 MM$15 MM
2002$2 MM$16 MM
2001$2 MM$14 MM
2000$2 MM$13 MM
1999$2 MM$11 MM
1998$2 MM$11 MM
1997$2 MM$10 MM
1996$2 MM$8 MM
1995$1 MM$8 MM
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Revenue / Student
$26,483
$20,100

Average Revenue Per Student Trends

YearCinnabar Elementary School DistrictCalifornia
2023$22,517$15,607
2022$17,163$14,213
2021$18,570$15,669
2020$17,163$14,213
2019$17,697$14,063
2018$18,078$16,033
2017$17,119$16,692
2016$16,944$15,604
2015$9,428$10,238
2014$19,649$11,786
2012$14,724$11,929
2011$12,406$11,681
2010$12,426$10,238
2009$12,608$11,099
2008$11,493$11,762
2007$10,403$11,879
2006$9,759$10,859
2005$9,211$10,445
2004$8,725$10,566
2003$7,677$10,456
2002$8,011$9,803
2001$8,159$10,568
2000$6,836$8,943
1999$6,854$8,203
1998$6,973$7,395
1997$5,112$6,922
1995$4,140$5,953
1992$3,540$5,430
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Spending / Student
$22,761
$18,511

Average Expenditure Per Student Trends

YearCinnabar Elementary School DistrictCalifornia
2023$19,353$13,914
2022$21,674$13,602
2021$15,960$13,970
2020$21,674$13,602
2019$16,610$13,522
2018$15,771$16,124
2017$15,548$15,588
2016$15,585$14,779
2015$8,829$10,739
2014$18,455$11,804
2012$13,391$12,155
2011$14,021$11,509
2010$11,636$10,739
2009$11,078$10,975
2008$13,088$11,678
2007$10,221$11,317
2006$9,431$10,926
2005$8,853$10,789
2004$9,435$11,073
2003$8,661$10,210
2002$8,464$10,600
2001$7,859$10,007
2000$7,041$9,131
1999$6,780$7,911
1998$6,038$7,592
1997$4,729$6,759
1995$3,921$6,033
1992$3,811$5,588
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Best Cinnabar Elementary School District Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cinnabar Charter
Charter School
(Math: 25-29% | Reading: 30-34%)
Rank:
5/
10
Bottom 50%
286 Skillman Ln.
Petaluma, CA 94952
(707) 765-4345
Gr: K-8 | 156 students Student-teacher ratio: 17:1 Minority enrollment: 85%
Rank: n/an/a
Cinnabar Elementary School
286 Skillman Ln.
Petaluma, CA 94952
(707) 765-4345
Gr: K | 20 students Student-teacher ratio: 20:1 Minority enrollment: 80%

Frequently Asked Questions

How many schools belong to Cinnabar Elementary School District?
Cinnabar Elementary School District manages 2 public schools serving 176 students.
What is the rank of Cinnabar Elementary School District?
Cinnabar Elementary School District is ranked #1173 out of 1,904 school districts in California (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year.
What is the racial composition of students in Cinnabar Elementary School District?
79% of Cinnabar Elementary School District students are Hispanic, 15% of students are White, 3% of students are Two or more races, 1% of students are American Indian, 1% of students are Black, and 1% of students are Hawaiian.
What is the student/teacher ratio of Cinnabar Elementary School District?
Cinnabar Elementary School District has a student/teacher ratio of 18:1, which is lower than the California state average of 22:1.
What is Cinnabar Elementary School District's spending/student ratio?
The school district's spending/student of $22,761 is higher than the state median of $18,511. The school district spending/student has grown by 5% over four school years.

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Quick Facts (2026)

  • District size: 2 schools
  • Grades: K-08
  • Enrollment: 176 students
  • Student-Teacher Ratio: 18:1
  • Minority Enrollment: 85%
  • : Bottom 50% in CA
  • : 27% (Top 50%)
  • : 30-34% (Btm 50%)
  • : 11-19% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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