Cinnabar Elementary

Located in Petaluma, California, Cinnabar Elementary is a very small elementary school. Enrollment totals 20 students across kindergarten. That puts enrollment 96% below the 465-student average for elementary schools in California.

Cinnabar Elementary is not part of a larger district; federal data list it as its own local education agency.

Federal enrollment data show Cinnabar Elementary is 75% Hispanic. Other groups include 20% White and 5% multiracial. The county population is about 30% Hispanic.

Its staff includes 1 full-time-equivalent teachers, for about 20.0 students per teacher. Across elementary schools in California, the average ratio is 22.3:1. Cinnabar Elementary has a free or reduced-price lunch rate of 65%. Compared with the 51% average for public schools in Sonoma County, the school's rate is higher.

The school is in Sonoma County, where the median household earns about $104,674 a year, a bachelor's degree or higher is held by about 39% of adults, and the share of residents below the poverty line is 5%. Cinnabar Elementary shares Sonoma County with 183 other public schools.

Among nearby public schools, Cinnabar Charter is closest at less than a tenth of a mile. In all, at least 8 other public schools sit within five miles of Cinnabar Elementary.

Its location is classified as Suburb: Small by the National Center for Education Statistics.

Cinnabar Elementary had 20 students in 2020-21 and 20 in 2024-25, nearly the same.

This page is set up for the Cinnabar Elementary community to discuss open houses, carpools, and field trips. Members of the school community can share what they know.