allk12 · Rankings · Most improved · California · Sonoma County · High schools

The public high schools with the most improved test scores in Sonoma County, California

This ranking covers the public high schools with the most improved test scores in Sonoma County, California, drawn from 13 qualifying public high schools. Healdsburg High leads the list at +14.2pp, against a median of +2.8pp across the ranked schools.

Sort any column, filter to a school or district, or download the full ranking as a CSV. Source data is federal NCES and state assessment reporting, 2024-25.

Schools ranked

Sonoma County, California

Top 3-yr change

+14.2pp

Median 3-yr change

+2.8pp

MOST IMPROVED · SONOMA COUNTY, CALIFORNIA

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Healdsburg High	Healdsburg, CA	Healdsburg Unified	503	38.4%	52.6%	+14.2pp
2	Analy High	Sebastopol, CA	West Sonoma County Union High	1,473	42.0%	54.3%	+12.4pp
3	Rancho Cotate High	Rohnert Park, CA	Cotati-Rohnert Park Unified	1,755	24.7%	32.1%	+7.4pp
4	Piner High	Santa Rosa, CA	Santa Rosa High	1,434	21.6%	27.8%	+6.2pp
5	Petaluma High	Petaluma, CA	Petaluma Joint Union High	1,193	40.3%	45.0%	+4.7pp
6	Casa Grande High	Petaluma, CA	Petaluma Joint Union High	1,653	47.8%	51.1%	+3.3pp
7	Windsor High	Windsor, CA	Windsor Unified	1,700	41.8%	44.6%	+2.8pp
8	Cloverdale High	Cloverdale, CA	Cloverdale Unified	393	27.5%	30.2%	+2.8pp
9	Montgomery High	Santa Rosa, CA	Santa Rosa High	1,253	29.0%	29.4%	+0.4pp
10	Elsie Allen High	Santa Rosa, CA	Santa Rosa High	1,029	18.5%	18.8%	+0.2pp
11	Santa Rosa High	Santa Rosa, CA	Santa Rosa High	1,553	36.7%	34.8%	-1.9pp
12	Sonoma Valley High	Sonoma, CA	Sonoma Valley Unified	1,071	37.6%	34.7%	-3.0pp
13	Maria Carrillo High	Santa Rosa, CA	Santa Rosa High	1,584	64.2%	55.7%	-8.5pp

Page 1 of 1 · top 13 of 13 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Sonoma County →

Most improved rankings at a wider scope

All California Nationwide

Other rankings for Sonoma County, California

Largest Most diverse Lowest ratio Highest proficiency Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian Best in math Best in reading Biggest declines Most Native American Most Pacific Islander Most multiracial Most Hispanic (count)Most Black (count)Most White (count)Most Asian (count)Most Native American (count)Most Pacific Islander (count)Most multiracial (count)Smallest Most male Most female

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.