PublicCharterGrades K-6
Cinnabar Charter School
286 Skillman Lane, Petaluma, CA 94952-1226(707) 765-4345
Total Students156
Student/Teacher16.44:1
Math Prof.16.5%
Reading Prof.30.39%
School Information
Charter SchoolYes
Magnet SchoolNo
Virtual SchoolNo
CountySonoma
School DistrictCinnabar Elementary School District
Principal / AdminJamie Azevedo(707) 765-4345
Founded1980
Free/Reduced Lunch83.33% Eligible
Acceptance Rate100%
Student Demographics
White14.7%
Hispanic80.1%
Black0.6%
Native American0.6%
Pacific Islander0.6%
Two Or More3.2%
Gender Distribution
49.4%
50.6%
Male Female
Students per Grade
Grade 117
Grade 220
Grade 319
Grade 426
Grade 520
Grade 615
Grade 715
Grade 811
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
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Cinnabar Charter School
Academic Calendar (2026-2027)
July 2026
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August 2026
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September 2026
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October 2026
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November 2026
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December 2026
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January 2027
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February 2027
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March 2027
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April 2027
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May 2027
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June 2027
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Key Dates & Holidays
Independence Day (Observed)Jul 3
Labor DaySep 7
Veterans DayNov 11
Thanksgiving DayNov 26
Christmas DayDec 25
New Year's DayJan 1
Martin Luther King Jr. DayJan 18
Presidents' DayFeb 15
Memorial DayMay 31
Juneteenth (Observed)Jun 18
Key Dates & Holidays
2026-2027Community Reviews
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