allk12 · Rankings · Lowest proficiency · Colorado · Jefferson County

The lowest-performing public schools by test proficiency in Jefferson County, Colorado

This ranking covers the lowest-performing public schools by test proficiency in Jefferson County, Colorado, drawn from 120 qualifying public schools. Lumberg Elementary School leads the list at 8.2%, against a median of 43.9% 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

120

Jefferson County, Colorado

Best % Proficient

8.2%

Median % Proficient

43.9%

LOWEST PROFICIENCY · JEFFERSON COUNTY, COLORADO

#	School	City	District	Level	% FRL	Students	% Proficient
1	Lumberg Elementary School	EDGEWATER, CO	Jefferson County School District No. R-1	Elementary	85.4%	526	8.2%
2	Jefferson Junior/Senior High School	EDGEWATER, CO	Jefferson County School District No. R-1	High	78.7%	601	8.2%
3	Alameda International Junior/Senior High School	LAKEWOOD, CO	Jefferson County School District No. R-1	High	65.4%	1,002	10.7%
4	Deane Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	80.1%	341	11.6%
5	Arvada High School	ARVADA, CO	Jefferson County School District No. R-1	High	71.0%	754	11.7%
6	Addenbrooke Classical Academy	LAKEWOOD, CO	Jefferson County School District No. R-1	High	25.7%	191	12.3%
7	Lasley Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	75.9%	576	12.5%
8	Rose Stein International Elementary	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	79.8%	336	12.8%
9	Arvada K-8	ARVADA, CO	Jefferson County School District No. R-1	Elementary	82.1%	541	14.5%
10	Swanson Elementary School	ARVADA, CO	Jefferson County School District No. R-1	Elementary	72.4%	283	16.5%
11	Westgate Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	68.9%	305	18.6%
12	Stevens Elementary School	WHEAT RIDGE, CO	Jefferson County School District No. R-1	Elementary	65.9%	469	19.9%
13	Eiber Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	75.7%	255	20.0%
14	Little Elementary School	ARVADA, CO	Jefferson County School District No. R-1	Elementary	65.2%	310	21.3%
15	Slater Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	72.5%	280	22.2%
16	Moore Middle School	ARVADA, CO	Jefferson County School District No. R-1	Middle	55.4%	269	22.8%
17	Edgewater Elementary School	EDGEWATER, CO	Jefferson County School District No. R-1	Elementary	63.9%	335	22.9%
18	Pomona Junior/Senior High School	ARVADA, CO	Jefferson County School District No. R-1	High	47.4%	1,252	23.7%
19	North Arvada Middle School	ARVADA, CO	Jefferson County School District No. R-1	Middle	66.8%	464	23.7%
20	Secrest Elementary School	ARVADA, CO	Jefferson County School District No. R-1	Elementary	66.5%	334	24.2%
21	Columbine High School	LITTLETON, CO	Jefferson County School District No. R-1	High	29.7%	1,710	26.5%
22	Adams Elementary School	WESTMINSTER, CO	Jefferson County School District No. R-1	Elementary	41.9%	310	27.1%
23	Foothills Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	60.6%	363	27.5%
24	Semper Elementary School	WESTMINSTER, CO	Jefferson County School District No. R-1	Elementary	45.2%	314	27.8%
25	Foster Dual Language PK-8	ARVADA, CO	Jefferson County School District No. R-1	Elementary	50.2%	454	28.3%
26	Everitt Middle School	WHEAT RIDGE, CO	Jefferson County School District No. R-1	Middle	56.6%	456	29.2%
27	Belmar School of Integrated Arts	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	48.8%	293	30.0%
28	Standley Lake High School	WESTMINSTER, CO	Jefferson County School District No. R-1	High	32.7%	1,123	30.4%
29	Lawrence Elementary School	ARVADA, CO	Jefferson County School District No. R-1	Elementary	73.8%	412	30.6%
30	Bear Creek High School	LAKEWOOD, CO	Jefferson County School District No. R-1	High	48.7%	1,344	31.0%
31	Welchester Elementary School	GOLDEN, CO	Jefferson County School District No. R-1	Elementary	72.4%	293	31.3%
32	Carmody Middle School	LAKEWOOD, CO	Jefferson County School District No. R-1	Middle	51.8%	550	31.7%
33	Creighton Middle School	LAKEWOOD, CO	Jefferson County School District No. R-1	Middle	54.3%	741	32.1%
34	Green Gables Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	33.7%	315	32.3%
35	Bear Creek K-8 School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	50.5%	863	32.5%
36	Wheat Ridge High School	WHEAT RIDGE, CO	Jefferson County School District No. R-1	High	42.2%	932	34.6%
37	Lakewood High School	LAKEWOOD, CO	Jefferson County School District No. R-1	High	36.8%	1,735	35.5%
38	Jefferson County Open Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	33.1%	236	35.9%
39	Mandalay Middle School	WESTMINSTER, CO	Jefferson County School District No. R-1	Middle	39.3%	443	37.6%
40	South Lakewood Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	54.5%	393	38.0%
41	Weber Elementary School	ARVADA, CO	Jefferson County School District No. R-1	Elementary	41.3%	312	38.0%
42	Free Horizon Montessori	GOLDEN, CO	Jefferson County School District No. R-1	Elementary	24.1%	382	38.5%
43	Arvada West High School	ARVADA, CO	Jefferson County School District No. R-1	High	28.4%	1,923	38.7%
44	Kendallvue Elementary School	MORRISON, CO	Jefferson County School District No. R-1	Elementary	34.9%	370	38.7%
45	Chatfield High School	LITTLETON, CO	Jefferson County School District No. R-1	High	18.3%	1,808	39.0%
46	Powderhorn Elementary School	LITTLETON, CO	Jefferson County School District No. R-1	Elementary	25.7%	522	39.2%
47	Dakota Ridge Senior High School	LITTLETON, CO	Jefferson County School District No. R-1	High	24.3%	1,277	40.3%
48	Blue Heron Elementary School	LITTLETON, CO	Jefferson County School District No. R-1	Elementary	30.8%	325	40.5%
49	Columbine Hills Elementary School	LITTLETON, CO	Jefferson County School District No. R-1	Elementary	33.7%	315	40.6%
50	Summit Ridge Middle School	LITTLETON, CO	Jefferson County School District No. R-1	Middle	24.3%	851	40.8%

Page 1 of 3 · top 120 of 120 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.