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SCHOOL COMMUNITY·PROSSER SCHOOL DISTRICT·NCES 530690001012

Prosser High School

1500 Paterson Rd., Prosser, WA 99350 · (509) 786-1224 · Benton County
GRADES 09–12HIGH32-TOWNTITLE IREGULAR SCHOOL877 STUDENTS
Enrollment
877
High
DISTRICT 463 · STATE 573
Student : Teacher
19.6:1
45 FTE teachers
DISTRICT 19.6:1 · STATE 21.6:1
Free / Reduced Lunch
62%
546 students
DISTRICT 74% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 921224%
Grade 1022225%
Grade 1122626%
Grade 1221725%
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 44% · STATE 68% · US 70%
White
25930%
DISTRICT 26% · STATE 47% · US 43%
Hispanic
58366%
DISTRICT 70% · STATE 27% · US 30%
Black
30%
DISTRICT 0% · STATE 5% · US 15%
Asian
111%
DISTRICT 1% · STATE 9% · US 6%
Two+
142%
DISTRICT 2% · STATE 9% · US 5%
Native American
71%
DISTRICT 0% · STATE 1% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
42248%
Female
45552%

Discussions

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Test scores

Smarter Balanced + WCAS 2022-23 . % Met or Exceeded Standard
English Language Arts
47.5%
WA avg 49.0% . +32.0pp since 2014
Math
14.7%
WA avg 39.2% . -2.2pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 48 of every 100 students at this school read and write at grade level and about 15 of 100 do math at grade level. Across all Washington schools, those numbers are about 49 and 39. Reading and writing scores are up about 32 points since 2014, while math scores are down about 2 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2022-2347.5%14.7%
2021-2241.2%16.6%
2018-1967.5%32.9%
2017-1865.7%31.7%
2016-17N/A12.0%
2015-1623.9%27.8%
2014-1515.6%16.9%
% Met or Exceeded Standard, all students and all tested grades.
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

Schools most like Prosser High School

SchoolStudentsLow-incomeProficient
Prosser High School this school87762.3%N/A
Zillah High School
Zillah
45564.8%44.3%
Mount Vernon High School
Mount Vernon
1,84959.2%34.4%
Kennewick High School
Kennewick
1,92162.9%N/A
East Valley High School
Yakima
1,06455.9%48.2%
Chelan High School
Chelan
43962.4%N/A
Matched among Washington high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Prosser High School ranks

Among high schools
MeasureThis schoolIn WashingtonIn Benton County
Math proficiency
ranked highest first
14.7%#265 of 321
▼ 24
#6 of 8
no change
Reading proficiency
ranked highest first
47.5%#238 of 327
▲ 44
#6 of 8
▲ 1
Enrollment
ranked largest first
877#169 of 570#6 of 13
Students per teacher
ranked fewest first
19.6:1#110 of 311#1 of 9
Diversity index
ranked most diverse first
47.0%#223 of 316#9 of 9
Free and reduced lunch
ranked highest share first
62.3%#106 of 386#5 of 10
Enrollment change since 2017-18
ranked steepest decline first
-1.0%#157 of 164#6 of 6
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
877
-15 (-2%) vs 2020
+51% since 1990-91, when it was 579
Student : Teacher
19.6:1
was 22.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2587744.719.6:162% (546)
2023-2486044.319.4:181% (693)
2022-2383441.420.2:181% (675)
2020-218924022.3:165% (581)
2017-1888642.720.8:161% (538)
2015-168964221.3:157% (515)
2010-118824320.5:152% (461)
2000-018753823.0:1N/A
1990-915792820.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Prosser High School.

Since 2017-18: students down 1% (886 to 877); teachers up 5% (42.7 to 44.7).

About Prosser High School

Prosser High School is one of the public schools in Prosser, Washington. It is a large high school. The school covers grades 9 through 12 and reported 877 students in 2024-25. On average, high schools in Washington enroll around 573, and this school is 53% bigger than that mark.

Prosser School District runs 6 schools with a combined 2,534 students. Prosser High School is one of them.

Federal enrollment data show Prosser High School is 66% Hispanic. The remaining shares are 30% White. Benton County as a whole is about 26% Hispanic, so the school's share is higher. On a 0 to 100 scale, the school's diversity index is 47, compared with 70 nationally.

Prosser High School has a student-to-teacher ratio of 19.6:1, with 44.7 full-time-equivalent teachers. Compared with the 21.6:1 average for high schools in Washington, this school's ratio is lower. The school has 62% of students eligible for free or reduced-price lunch. It compares with 49% for public schools in Benton County.

In the wider Benton County area, median household income comes to about $89,874, 33% of adults hold a bachelor's degree or higher, and about 8% of people live in poverty. Benton County's 69 public schools enroll about 38,191 students and include Prosser High School.

Prosser Opportunity Academy is less than a tenth of a mile away, making it the nearest public school. Prosser High School is one of several public schools in the area, with 5 others within five miles.

Prosser High School has an NCES locale of Town: Distant.

Enrollment in 2024-25 was 877, close to the 892 recorded in 2020-21. Staffing shifted too: the ratio moved from 22.3:1 to 19.6:1.

On allk12, people connected to Prosser High School can post about pickup and drop-off, after-school programs, and teacher feedback. Members of the school community can share what they know.

Benton County at a glance

View full county profile
Population
212,905
Census ACS
Median income
$89,874
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
69
38,191 students

Quick facts

School name
Prosser High School
District
Prosser School District
Address
1500 Paterson Rd., Prosser, WA 99350
Phone
(509) 786-1224
County
Benton County
Level
High
Grade range
09–12
Total enrollment
877
Teachers (FTE)
45
Student–teacher ratio
19.6:1
Free and reduced lunch
546 (62%)
Locale
32-Town: Distant
NCES ID
530690001012
Charter school
No
Virtual school
No

Related schools

Other schools in Prosser School District
Other schools in Prosser
Nearby schools

Frequently asked questions

About Prosser High School
How large is Prosser High School?
Prosser High School enrolls approximately 877 students in grades 09-12.
Is Prosser High School an elementary, middle, or high school?
Prosser High School is a high school covering grades 09-12.
How many teachers does Prosser High School have?
Prosser High School employs 45 FTE teachers, for a student-to-teacher ratio of 19.6:1.
What is the student diversity at Prosser High School?
Student demographics at Prosser High School are roughly 30% White, 66% Hispanic, 0% Black, 1% Asian, 2% Two or more.
Is Prosser High School public or private?
Prosser High School is a public K-12 school, overseen by Prosser School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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