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Public elementary school · Cinnabar Elementary

Cinnabar Charter

Grades KG–06 · Petaluma, CA · NCES 060870000884

Charter

School overview

At a glance

Reported students

156

NCES CCD 2024–25, where reported

Teachers (FTE)

9.49

NCES CCD 2024–25

Student–teacher ratio

16.4:1

Calculated, not a class-size measure

Grades served

KG–06

NCES preliminary directory 2025–26

School benchmarks

California elementary enrollment

8th percentile

Compared with 5,929 same-level schools reporting enrollment.

District median enrollment

88

Cinnabar Charter: 156 reported students.

State peer staffing position

5th percentile

16.4:1 reported; state peer median 22.4:1. Ratio is not class size.

Profile interpretation

What the reported data says about Cinnabar Charter

Cinnabar Charter is a public elementary school serving grades KG–06 in Petaluma. It is one of 2 current school records connected to Cinnabar Elementary. NCES reports 156 students for 2024–25.

Among 5,929 elementary schools in California with comparable records, this school is smaller than the reported median of 455 students. Its enrollment is at approximately the 8th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 16.4:1, below the California median of 22.4:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The two largest reported race and ethnicity groups are Hispanic or Latino (80.1%) and White (14.7%). English learners represent 57.3% of enrollment. Students served under IDEA represent 8.3%. These figures help families understand who the school serves; they are not rating inputs.

Turn data into a school visit

Questions worth asking Cinnabar Charter

  1. 1How do the reported 16.4:1 student–teacher ratio and 9.49 teacher FTE translate into actual class sizes by grade?
  2. 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
  3. 3How are the school's 0.84 counselor FTE allocated across grades and student needs?
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?

Student context

Enrollment needs

English learners
57.3%
Students with disabilities
8.3%
Free/reduced-price lunch
83.3%
Lunch program
Yes under Provision 2

People available to students

Support staff

Counselors (FTE)
0.84
Nurses (FTE)
0.17
Psychologists (FTE)
0.22
Social workers (FTE)
0

Student demographics

Race and ethnicity share of reported enrollment

  • White14.7%
  • Hispanic80.1%
  • Black0.6%
  • Asian0%
  • American Indian / Alaska Native0.6%
  • Native Hawaiian / Pacific Islander0.6%
  • Multiracial3.2%

Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.

Learning opportunities

Programs reported by the school

Advanced Placement

Not reported

Gifted and talented

Not reported as offered

Computer science

Not reported

Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.

Continue exploring

Start with campuses at the same school level or with similar reported enrollment.

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