Sonoma Mountain Elementary
🇺🇸 Official data · 2025Petaluma, California 94954 · Old Adobe Union
#887 of 5,693 elementary schools in California
#12164 of 50,301 nationally
About Sonoma Mountain Elementary
Sonoma Mountain Elementary is a charter elementary located in Petaluma, in the Old Adobe Union school district of California, United States. It caters for Grades K–6. In 2025 it enrolled 422 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 68.8 out of 100, placing it in the top 25% of elementary schools in United States and 887th of 5,693 ranked elementary schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (93th percentile), and its weakest is students per teacher (3th percentile).
Other published figures: enrollment 422.
There are 33 schools in Petaluma; Sonoma Mountain Elementary ranks 9th of 30 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)65%
- Reading proficiency (30%)62%
- Community advantage (fewer free/reduced-price lunch) (25%)15.4%
- Students per teacher (15%)24.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Sonoma Mountain Elementary by the official sources.
- Enrollment
- 422
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 15.4%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 24.8
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 65%
- Share of tested students proficient or above (all students, all grades).
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Schools near Sonoma Mountain Elementary
Closest schools by straight-line distance, with their Success Index (US).
Kenilworth Junior High
Petaluma · Public middle · Grades 7–8
812 students · 1.2 km away
Meadow Elementary
Petaluma · Public elementary · Grades K–6
384 students · 1.3 km away
Loma Vista Immersion Academy
Petaluma · Charter elementary · Grades K–6
451 students · 1.3 km away
Corona Creek Elementary
Petaluma · Public elementary · Grades K–6
403 students · 1.9 km away
McDowell Elementary
Petaluma · Public elementary · Grades K–6
329 students · 2.5 km away
Dual Language Immersion Academy Charter
Petaluma · Charter middle · Grades 7–8
31 students · 2.5 km away
McKinley Elementary
Petaluma · Public elementary · Grades K–6
368 students · 2.6 km away
Petaluma Accelerated Charter
Petaluma · Charter middle · Grades 7–8
115 students · 2.6 km away
Old Adobe Elementary Charter
Petaluma · Charter elementary · Grades K–6
278 students · 2.8 km away
Live Oak Charter
Petaluma · Charter elementary · Grades K–8
271 students · 3.0 km away
Similar schools
Charter elementary schools in California with a comparable Enrollment.
Aspire University Charter
Modesto · Charter elementary · Grades K–5
423 students
High Tech Elementary Mesa
San Diego · Charter elementary · Grades K–5
423 students
Scholarship Prep - South Bay
Wilmington · Charter elementary · Grades K–8
421 students
Nestle Avenue Charter
Tarzana · Charter elementary · Grades K–5
421 students
Bella Mente Montessori Academy
Vista · Charter elementary · Grades K–8
424 students
BRIDGES Charter
Thousand Oaks · Charter elementary · Grades K–8
420 students
Frequently asked questions
Is Sonoma Mountain Elementary a good school?
Sonoma Mountain Elementary has a Success Index (US) of 68.8 out of 100 (Top 25% of elementary schools in United States) and ranks #887 of 5,693 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Sonoma Mountain Elementary rank in California?
Sonoma Mountain Elementary ranks #887 of 5,693 elementary schools in California and #12164 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Sonoma Mountain Elementary?
Sonoma Mountain Elementary had 422 students in 2025.
Is Sonoma Mountain Elementary a elementary school or a high school?
Sonoma Mountain Elementary is classified as a elementary covering Grades K–6. It is a charter school.
What other schools are near Sonoma Mountain Elementary?
There are 10 schools within 15 km of Sonoma Mountain Elementary; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.