Sonoma Mountain High (Necessary Small School)
Public
High Grades 9–12
Part of Petaluma Joint Union High
299 Casa Grande Rd., Petaluma, CA 94954 · (707) 778-4738
Community ratings
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Academic performance
Math proficiency24.5%
State average 33.6%
Reading / language arts24.5%
State average 48.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
21Students enrolled
11:1Student–teacher ratio
71%Free / reduced lunch
CitySetting
Alternative Education SchoolSchool type
Enrollment by grade
Grade 93
Grade 102
Grade 117
Grade 129
Students
White · 76%16
Hispanic · 19%4
Two or more races · 5%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
32’20
21’21
23’22
24’23
21’24
Location
299 Casa Grande Rd. Petaluma
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.