allk12 · Rankings · Biggest declines · California · Ventura County · High schools

The public high schools with the biggest test-score declines in Ventura County, California

22 public high schools in Ventura County, California appear in this ranking of the public high schools with the biggest test-score declines, ranked by the 3-year drop in composite math + reading proficiency. Thousand Oaks High leads the list at -8.2pp, against a median of +2.1pp across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

Ventura County, California

Best 3-yr change

-8.2pp

Median 3-yr change

+2.1pp

BIGGEST DECLINES · VENTURA COUNTY, CALIFORNIA

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Thousand Oaks High	Thousand Oaks, CA	Conejo Valley Unified	1,703	56.5%	48.3%	-8.2pp
2	Nordhoff High	Ojai, CA	Ojai Unified	576	50.2%	43.4%	-6.9pp
3	Simi Valley High	Simi Valley, CA	Simi Valley Unified	1,910	40.0%	36.5%	-3.5pp
4	Westlake High	Westlake Village, CA	Conejo Valley Unified	1,900	65.9%	63.6%	-2.3pp
5	Adolfo Camarillo High	Camarillo, CA	Oxnard Union High	1,969	47.5%	45.5%	-2.1pp
6	Buena High	Ventura, CA	Ventura Unified	1,585	39.3%	37.7%	-1.6pp
7	Foothill Technology High	Ventura, CA	Ventura Unified	951	69.4%	68.7%	-0.6pp
8	Hueneme High	Oxnard, CA	Oxnard Union High	1,913	23.3%	24.5%	+1.2pp
9	Royal High	Simi Valley, CA	Simi Valley Unified	1,835	41.5%	42.8%	+1.3pp
10	Ventura High	Ventura, CA	Ventura Unified	1,939	40.8%	42.1%	+1.3pp
11	The High School at Moorpark College	Moorpark, CA	Moorpark Unified	121	88.7%	90.5%	+1.8pp
12	Pacifica High	Oxnard, CA	Oxnard Union High	2,675	21.3%	23.8%	+2.5pp
13	Oxnard High	Oxnard, CA	Oxnard Union High	2,452	30.7%	34.5%	+3.8pp
14	Rio Mesa High	Oxnard, CA	Oxnard Union High	1,951	29.5%	33.3%	+3.8pp
15	Fillmore Senior High	Fillmore, CA	Fillmore Unified	1,007	28.9%	33.0%	+4.1pp
16	Channel Islands High	Oxnard, CA	Oxnard Union High	2,380	22.0%	27.8%	+5.8pp
17	Moorpark High	Moorpark, CA	Moorpark Unified	1,691	43.3%	50.4%	+7.1pp
18	Santa Paula High	Santa Paula, CA	Santa Paula Unified	1,494	27.4%	34.7%	+7.4pp
19	Newbury Park High	Newbury Park, CA	Conejo Valley Unified	2,047	50.4%	57.8%	+7.4pp
20	Oak Park High	Oak Park, CA	Oak Park Unified	1,483	73.7%	83.3%	+9.6pp
21	Rancho Campana High	Camarillo, CA	Oxnard Union High	826	65.6%	76.1%	+10.6pp
22	Santa Susana High	Simi Valley, CA	Simi Valley Unified	1,033	58.4%	69.6%	+11.2pp

Page 1 of 1 · top 22 of 22 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Ventura County →

Biggest declines rankings at a wider scope

All California Nationwide

Other rankings for Ventura 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 Most improved 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.