Best Public Schools in Byron, CA

Summary:

Byron, California, is served by two public elementary/middle schools—Excelsior Middle and Mountain House Elementary—enrolling a total of 391 students from kindergarten through 8th grade, with no local high school represented in this data.

Excelsior Middle is the larger, more typical school with 377 students, performing near state averages in most subjects and showing a consistent performance history, while Mountain House Elementary is exceptionally small with only 14 students, which results in a much lower student-teacher ratio and dramatically higher per-student spending.

Key considerations for families include the strong English performance at the smaller school, the concerning rate of chronic absenteeism at both, and a notable decline in math scores in upper grades at Excelsior Middle; both schools are part of separate districts, with Excelsior Middle in the Byron Union Elementary district and Mountain House in the Mountain House Elementary district.

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CAST Science (2025)		Smarter Balanced Assessments English Language Arts/Literacy (2025)				Smarter Balanced Assessments Mathematics (2025)				Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	CAST Science 8th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 6th Grade	Smarter Balanced Assessments English Language Arts/Literacy 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 6th Grade	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Excelsior Middle	Public	6-8	14301 Byron Hwy.	Byron	94514	Contra Costa County	Byron Union Elementary	No	(n/a)	No	(n/a)	(925) 809-7530	377	20	19.0	33.2%	175 (46.4%)	29 (7.7%)	113 (30.0%)	30 (8.0%)	2 (0.5%)	8 (2.1%)	20 (5.3%)	54.5	1051^st of 2761 public middle schools	61.9%		50.4	1161^st of 2783 public middle schools	58.3%	110	32.4	32.4	49.2	49.1	50.0	49.4	42.1	35.5	25.2	34.6	$7,848	$391	$7,457
Mountain House Elementary	Public	K-8	3950 Mountain House Rd.	Byron	94514	Alameda County	Mountain House Elementary	No	(n/a)	No	(n/a)	(209) 835-2283	14	1	14.0	21.4%	3 (21.4%)	0 (0.0%)	11 (78.6%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)								(n/a)						69.2				38.5	$60,583	$6,318	$54,265

Cities Near Byron

City	Distance	# of Schools	Statewide Rank
Discovery Bay	0.25 mi	3	404^th
Brentwood	2.41 mi	17	268^th
Knightsen	5.48 mi	1	422^nd
Oakley	5.8 mi	11	614^th
Mountain House	8.4 mi	8	43^rd

See the top CA California cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.