allk12 · Rankings · Highest proficiency · Colorado · Boulder County · Middle schools

The highest-performing public middle schools by test proficiency in Boulder County, Colorado

13 public middle schools in Boulder County, Colorado appear in this ranking of the highest-performing public middle schools by test proficiency, ranked by composite state-assessment proficiency. Summit Middle Charter School leads the list at 85.5%, against a median of 52.5% 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

Boulder County, Colorado

Top % Proficient

85.5%

Median % Proficient

52.5%

HIGHEST PROFICIENCY · BOULDER COUNTY, COLORADO

#	School	City	District	Level	% FRL	Students	% Proficient
1	Summit Middle Charter School	BOULDER, CO	Boulder Valley School District No. Re2	Middle	13.4%	366	85.5%
2	Southern Hills Middle School	BOULDER, CO	Boulder Valley School District No. Re2	Middle	10.6%	502	79.2%
3	Altona Middle School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	Middle	23.5%	715	68.4%
4	Louisville Middle School	LOUISVILLE, CO	Boulder Valley School District No. Re2	Middle	18.5%	626	62.9%
5	Manhattan Middle School of the Arts and Academics	BOULDER, CO	Boulder Valley School District No. Re2	Middle	31.1%	482	54.5%
6	Nevin Platt Middle School	BOULDER, CO	Boulder Valley School District No. Re2	Middle	14.7%	483	53.7%
7	Centennial Middle School	BOULDER, CO	Boulder Valley School District No. Re2	Middle	33.1%	598	52.5%
8	Westview Middle School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	Middle	36.1%	621	50.5%
9	Angevine Middle School	LAFAYETTE, CO	Boulder Valley School District No. Re2	Middle	49.6%	619	38.7%
10	Sunset Middle School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	Middle	58.5%	316	30.8%
11	Casey Middle School	BOULDER, CO	Boulder Valley School District No. Re2	Middle	65.0%	363	29.8%
12	Trail Ridge Middle School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	Middle	59.8%	435	29.8%
13	Longs Peak Middle School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	Middle	80.3%	381	17.8%

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

All schools in Boulder County →

Highest proficiency rankings at a wider scope

All Colorado Nationwide

Other rankings for Boulder County, Colorado

Largest Most diverse Lowest ratio Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian

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.