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Best Public Schools in Zip Code 99350

New rankings! Washington test scores for the 2025-26 school year were just released — SchoolDigger posted updated rankings this week.

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At a glance

Schools

2,646

Students

Districts

Top rankedProsser High School189^th of 396 Washington high schools

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Biggest riser

Prosser High School up 107 spots statewide this year

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Smallest classes

Keene-Riverview Elementary 13.1 students per teacher

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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 Immunizations Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				WCAS Science (2026)				SBAC English Language Arts (2026)								SBAC Math (2026)								% Completely Immunized (2024)	% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Diphtheria (2024)	% Hepatitis B (2024)	% Varicella (2024)	% Pertussis (2024)	% Tetanus (2024)	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 (2025)	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 5th Grade	WCAS Science 8th Grade	WCAS Science 11th Grade	WCAS Science All Grades	SBAC English Language Arts 3rd Grade	SBAC English Language Arts 4th Grade	SBAC English Language Arts 5th Grade	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC English Language Arts 10th Grade	SBAC English Language Arts All Grades	SBAC Math 3rd Grade	SBAC Math 4th Grade	SBAC Math 5th Grade	SBAC Math 6th Grade	SBAC Math 7th Grade	SBAC Math 8th Grade	SBAC Math 10th Grade	SBAC Math All Grades	% Completely Immunized KG	% Polio KG	% Measles KG	% Mumps KG	% Rubella KG	% Diphtheria KG	% Hepatitis B KG	% Varicella KG	% Pertussis KG	% Tetanus KG	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Prosser Heights Elementary	Public	K-5	2008 Miller Ave.	Prosser	99350	Benton County	Prosser School District	No	No	No	Yes	(509) 786-2633	412	26	15.8	71.1%	111 (26.9%)	5 (1.2%)	275 (66.7%)	10 (2.4%)	2 (0.5%)	0 (0.0%)	9 (2.2%)	38.2	704^th of 1138 public elementary schools	38.1%		32.1	799^th of 1160 public elementary schools	31.1%	95	45.6			45.6	37.8	34.7	45.6					39.3	46.9	42.9	45.6					44.9											$19,075	$1,307	$17,768
Prosser High School	Public	9-12	1500 Paterson Rd.	Prosser	99350	Benton County	Prosser School District	No	No	No	Yes	(509) 786-1224	877	45	19.6	62.3%	259 (29.5%)	3 (0.3%)	583 (66.5%)	11 (1.3%)	7 (0.8%)	0 (0.0%)	14 (1.6%)	50.7	189^th of 396 public high schools	52.3%		33.7	296^th of 438 public high schools	32.4%	107			41.3	41.3							61.1	61.1							32.5	32.5											$18,068	$903	$17,164
Housel Middle School	Public	6-8	2001 Highland Dr.	Prosser	99350	Benton County	Prosser School District	No	No	No	Yes	(509) 786-1732	529	34	15.4	75.8%	123 (23.3%)	3 (0.6%)	381 (72.0%)	9 (1.7%)	1 (0.2%)	0 (0.0%)	12 (2.3%)	27	374^th of 514 public middle schools	27.2%		19.4	445^th of 534 public middle schools	16.7%	71		32.2		32.2				38.8	39.3	36.3		38.0				26.1	24.7	31.5		27.6											$17,645	$1,705	$15,940
Keene-Riverview Elementary	Public	PK, KG-2	832 Park Ave.	Prosser	99350	Benton County	Prosser School District	No	No	No	Yes	(509) 786-2020	407	31	13.1	75.2%	97 (23.8%)	1 (0.2%)	301 (74.0%)	4 (1.0%)	0 (0.0%)	0 (0.0%)	4 (1.0%)								(n/a)																					96.5	97.4	97.4	97.4	97.4	96.5	97.4	97.4	96.5	96.5	$18,077	$890	$17,187
Whitstran Elementary	Public	K-5	102101 W. Foisy	Prosser	99350	Benton County	Prosser School District	No	No	No	Yes	(509) 778-4434	261	15	17.5	78.5%	49 (18.8%)	0 (0.0%)	205 (78.5%)	1 (0.4%)	0 (0.0%)	0 (0.0%)	6 (2.3%)	11.7	1012^th of 1138 public elementary schools	11.1%		26.6	874^th of 1160 public elementary schools	24.7%	138	28.2			28.2	20.5	30.3	15.4					21.6	28.2	38.2	15.4					26.8	92.9	92.9	92.9	92.9	92.9	92.9	92.9	92.9	92.9	92.9	$21,535	$1,184	$20,351
Prosser Opportunity Academy	Public	9-12	1500 Paterson Rd.	Prosser	99350	Benton County	Prosser School District	No	No	No	No	(509) 786-1224	48	0		83.3%	14 (29.2%)	0 (0.0%)	32 (66.7%)	0 (0.0%)	0 (0.0%)	1 (2.1%)	1 (2.1%)								(n/a)																															$4,915	$311	$4,604
Red Comet at Toppenish School District	Public, Alternative	K-12	2016 S. Steele Rd.	Prosser	99350	Benton County	Toppenish School District	No	No	No	No	(972) 365-0561	112	0		56.3%	76 (67.9%)	3 (2.7%)	19 (17.0%)	0 (0.0%)	1 (0.9%)	0 (0.0%)	6 (5.4%)								(n/a)				15.8								33.3									66.2	78.5	73.9	73.9	73.9	81.5	86.2	80.0	81.5	81.5	$13,736	$334	$13,402

Cities Near Zip Code 99350

City	Distance	# of Schools	Statewide Rank
Prosser	0.36 mi	7	231^st
Grandview	6.81 mi	8	224^th
Mabton	10.76 mi	2	284^th
Sunnyside	13.33 mi	8	268^th
Benton City	13.83 mi	3	279^th

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.