Cinnabar Elementary School (2025-26 Ranking)

286 Skillman Ln.
Petaluma, CA 94952

( shown in map)

Cinnabar Elementary School serves 16 students in grades Kindergarten.

The student-teacher ratio of 16:1 is lower than the California state level of 21:1.

Minority enrollment is 88% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Facts (2025-26)

Grades: Kindergarten
Enrollment: 16 students
Student-Teacher Ratio: 16:1
Minority Enrollment: 88%
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

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

School Overview

Cinnabar Elementary School's student population of 16 students has declined by 11% over five school years.

The teacher population of 1 teachers has stayed relatively flat over five school years.

Grades Offered

Grades Kindergarten

Total Students

16 students

View Data

Total Students Trends Over Years (2013-2023)
Year	Cinnabar Elementary School
2023	21
2022	16
2021	20
2020	18
2019	18
2018	12
2017	12
2016	18
2015	21
2014	15
2013	9

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Gender %

Total Classroom Teachers

1 teacher

View Data

Total Classroom Teachers Trends Over Years (2013-2023)
Year	Cinnabar Elementary School
2023	1
2022	1
2021	1
2020	1
2019	1
2018	1
2017	1
2016	1
2015	1
2014	1
2013	1

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School Calendar

School Motto

Cinnabar: Where everybody knows your name

School Rankings

The of Cinnabar Elementary School is 0.21, 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.

This School

State Level (CA)

Student-Teacher Ratio

16:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (2013-2023)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2023	21:1	22:1	21:1
2022	16:1	21:1	17:1
2021	20:1	22:1	21:1
2020	18:1	23:1	22:1
2019	18:1	23:1	22:1
2018	12:1	23:1	21:1
2017	12:1	23:1	21:1
2016	18:1	24:1	21:1
2015	21:1	24:1	20:1
2014	15:1	24:1	17:1
2013	9:1	24:1	19:1

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American Indian

n/a

Asian

n/a

12%

Hispanic

88%

56%

View Data

Hispanic Student Percentage Comparison Over Years (2013-2023)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2023	81%	55%	76%
2022	63%	56%	72%
2021	90%	56%	71%
2020	78%	55%	66%
2019	78%	55%	66%
2018	84%	54%	66%
2017	84%	54%	66%
2016	100%	54%	66%
2015	72%	54%	67%
2014	93%	53%	73%
2013	67%	53%	70%

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Black

n/a

View Data

Black Student Percentage Comparison Over Years (2015-2022)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2022	6%	5%	2%
2021	5%	5%	2%
2015	4%	6%

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White

12%

20%

View Data

White Student Percentage Comparison Over Years (2013-2023)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2023	10%	21%	20%
2022	25%	21%	24%
2021	5%	22%	23%
2020	22%	23%	29%
2019	22%	23%	29%
2018	16%	24%	32%
2017	16%	24%	32%
2015	20%	24%	32%
2014	7%	25%	26%
2013	22%	25%	29%

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Hawaiian

n/a

Two or more races

n/a

All Ethnic Groups

0.21

0.63

View Data

Diversity Score Comparison Over Years (2013-2023)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2023	0.33	0.64	0.39
2022	0.54	0.63	0.44
2021	0.19	0.62	0.45
2020	0.35	0.63	0.48
2019	0.35	0.63	0.48
2018	0.27	0.64	0.47
2017	0.27	0.64	0.47
2015	0.44	0.64	0.46
2014	0.13	0.65	0.41
2013	0.50	0.65	0.43

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Eligible for

63%

54%

View Data

Free Lunch Eligibility Comparison Over Years (2014-2023)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2023	81%	51%	53%
2022	69%	51%	56%
2021	70%	53%	53%
2020	17%	52%	35%
2019	17%	52%	35%
2018	66%	49%	50%
2017	66%	49%	50%
2016	72%	50%	54%
2015	57%	50%	51%
2014	60%	49%	54%

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Eligible for

19%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2014-2023)
Year	Cinnabar Elementary School	California	Cinnabar Elementary School District
2023	5%	8%	16%
2022	6%	7%	16%
2021	10%	6%	5%
2016	16%	9%	15%
2015	19%	9%	18%
2014	20%	9%	22%

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School Statewide Testing

School District Name

Cinnabar Elementary School District

Source: National Center for Education Statistics (NCES), CA Dept. of Education

Profile last updated: 02/09/2025

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