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Best Middle Schools in Zip Code 94561

At a glance

Schools

1,729

Students

Top rankedDelta Vista Middle1960^th of 2,761 California middle schools

Summary:

Zip code 94561 in Oakley, California, is served by two public middle schools, Delta Vista Middle and O'Hara Park Middle, both part of the Oakley Union Elementary district and educating students in grades 6 through 8.

While the two schools are similar in size and resources, they show different academic strengths. Delta Vista Middle performs notably better in mathematics and is the stronger school in science, exceeding the district average. O'Hara Park Middle has a slight edge in English Language Arts, particularly in the 6th grade, but its overall state ranking dropped significantly this year. Both schools face challenges, as their proficiency rates in English and math are below California state averages, and they report chronic absenteeism rates higher than the state average.

Parents should note that mathematics is an area for improvement across the Oakley Union Elementary district. The recent decline in ranking for O'Hara Park Middle may warrant further inquiry. Overall, these schools serve their community with similar resources but have developed different academic profiles, with Delta Vista Middle showing more stable performance and strength in science and math.

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Ranking:

E Elementary M Middle H High A Alternative P Private

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 (2025)
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
Delta Vista Middle	Public	6-8	4901 Frank Hengel Way	Oakley	94561	Contra Costa County	Oakley Union Elementary	No	(n/a)	No	(n/a)	(925) 625-6840	873	40	21.6	43.9%	212 (24.3%)	124 (14.2%)	370 (42.4%)	116 (13.3%)	3 (0.3%)	13 (1.5%)	35 (4.0%)	25.9	1960^th of 2761 public middle schools	29.0%		27.3	1930^th of 2783 public middle schools	30.7%	30	24.3	24.3	33.9	34.1	31.7	33.3	16.4	16.4	19.0	17.3	$18,630	$16,918	$1,712
O'Hara Park Middle	Public	6-8	1100 O'Hara Ave.	Oakley	94561	Contra Costa County	Oakley Union Elementary	No	(n/a)	No	(n/a)	(925) 625-5060	856	38	22.7	41.8%	254 (29.7%)	75 (8.8%)	416 (48.6%)	82 (9.6%)	2 (0.2%)	6 (0.7%)	21 (2.5%)	24.1	2047^th of 2761 public middle schools	25.9%		32	1729^th of 2783 public middle schools	37.9%	318	16.5	16.5	39.4	30.3	35.3	35.0	17.9	15.5	12.7	15.5	$19,965	$18,656	$1,309

Cities Near Zip Code 94561

City	Distance	# of Schools	Statewide Rank
Oakley	0.15 mi	11	614^th
Brentwood	2.39 mi	17	268^th
Antioch	2.82 mi	30	786^th
Knightsen	3.43 mi	1	422^nd
Discovery Bay	7.86 mi	3	404^th

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.