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Best Middle Schools in Zip Code 98944

At a glance

Schools

1,369

Students

Top rankedHarrison Middle School456^th of 514 Washington middle schools

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Biggest riser

Sierra Vista Middle School up 46 spots statewide this year

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Summary:

ZIP code 98944 has two public middle schools serving grades 6–8: Harrison Middle School and Sierra Vista Middle School, both in Sunnyside and part of the Sunnyside School District. Together, they enroll 1,369 students and serve an area where many families may qualify for meal assistance, making student needs an important part of the local school context.

Harrison Middle School is the stronger school based on the latest academic results and statewide ranking. In 2025–26, Harrison had higher proficiency than Sierra Vista in English language arts, math, and science, with its largest advantage in science: 28.63% proficient compared with 17.71%. Harrison also exceeded district averages in ELA and science, and its strongest grade-level result was 7th-grade ELA at 36.73%. However, Harrison’s ELA and math results declined from the prior year, and math remains a significant challenge. Its student-teacher ratio is 20.3, and enrollment is 820 students.

Sierra Vista Middle School has lower current achievement overall but shows stronger recent momentum. From 2024–25 to 2025–26, it improved in all three subjects, including a 4.66-point gain in math and a 4.45-point gain in science. Sierra Vista is stronger than Harrison in 6th-grade ELA and math, while Harrison leads in the later grades. Sierra Vista also has a lower student-teacher ratio, 18.9, and slightly higher spending per student, but more than nine in ten students are reported eligible for free or reduced-price lunch. For families comparing the schools, Harrison offers stronger current performance, while Sierra Vista offers encouraging improvement; math is the main shared priority, with science an especially important area for Sierra Vista.

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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 (2026)				Ranking (2025)				WCAS Science (2026)		SBAC English Language Arts (2026)				SBAC Math (2026)				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/reduced lunch (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	WCAS Science 8th Grade	WCAS Science All Grades	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC English Language Arts All Grades	SBAC Math 6th Grade	SBAC Math 7th Grade	SBAC Math 8th Grade	SBAC Math All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Harrison Middle School	Public	6-8	810 S. 16th Street	Sunnyside	98944	Yakima County	Sunnyside School District	No	No	No	Yes	(509) 837-3601	820	40	20.3	83.0%	46 (5.6%)	1 (0.1%)	769 (93.8%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	4 (0.5%)	14.8	456^th of 514 public middle schools	11.3%		18.2	449^th of 534 public middle schools	15.9%	7	28.6	28.6	24.3	36.7	33.5	31.4	14.6	22.3	16.0	17.5	$18,194	$2,363	$15,831
Sierra Vista Middle School	Public	6-8	916 N. 16 Street	Sunnyside	98944	Yakima County	Sunnyside School District	No	No	No	Yes	(509) 836-4157	549	29	18.9	90.9%	27 (4.9%)	0 (0.0%)	517 (94.2%)	0 (0.0%)	1 (0.2%)	0 (0.0%)	4 (0.7%)	11.3	471^st of 514 public middle schools	8.4%		7.4	517^th of 534 public middle schools	3.2%	46	17.7	17.7	31.9	28.8	28.6	29.7	20.0	14.2	12.7	15.6	$18,615	$2,399	$16,215

Cities Near Zip Code 98944

City	Distance	# of Schools	Statewide Rank
Sunnyside	0.43 mi	8	264^th
Outlook	4.7 mi	1	261^st
Grandview	6.36 mi	8	220^th
Mabton	7.86 mi	2	274^th
Granger	9.06 mi	4	272^nd

See the top WA Washington cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

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.