allk12 · Rankings · Biggest declines · California · Lake County · Elementary schools

The public elementary schools with the biggest test-score declines in Lake County, California

12 public elementary schools in Lake County, California appear in this ranking of the public elementary schools with the biggest test-score declines, ranked by the 3-year drop in composite math + reading proficiency. Cobb Mountain Elementary leads the list at -10.0pp, against a median of +0.5pp 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

Lake County, California

Best 3-yr change

-10.0pp

Median 3-yr change

+0.5pp

BIGGEST DECLINES · LAKE COUNTY, CALIFORNIA

#	School	City	District	Students	3 yrs ago	Latest	Change
1	Cobb Mountain Elementary	Cobb, CA	Middletown Unified	110	40.5%	30.5%	-10.0pp
2	Upper Lake Elementary	Upper Lake, CA	Upper Lake Unified	429	27.2%	19.2%	-8.0pp
3	Lakeport Elementary	Lakeport, CA	Lakeport Unified	530	25.6%	19.0%	-6.6pp
4	Lower Lake Elementary	Lower Lake, CA	Konocti Unified	743	18.4%	15.0%	-3.3pp
5	Burns Valley	Clearlake, CA	Konocti Unified	568	17.8%	16.7%	-1.2pp
6	Lucerne Elementary	Lucerne, CA	Lucerne Elementary	282	21.8%	20.6%	-1.2pp
7	Riviera Elementary	Kelseyville, CA	Kelseyville Unified	287	18.8%	21.0%	+2.2pp
8	Pomo	Clearlake, CA	Konocti Unified	702	7.8%	10.6%	+2.8pp
9	Minnie Cannon Elementary	Middletown, CA	Middletown Unified	164	23.9%	26.8%	+2.9pp
10	Kelseyville Elementary	Kelseyville, CA	Kelseyville Unified	543	18.2%	22.7%	+4.5pp
11	East Lake	Clearlake Oaks, CA	Konocti Unified	195	12.9%	26.3%	+13.4pp
12	Coyote Valley Elementary	Hidden Valley Lake, CA	Middletown Unified	427	38.2%	52.1%	+13.9pp

Page 1 of 1 · top 12 of 12 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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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.