Prosser High School

1500 Paterson Rd., Prosser, WA 99350

CSchola Grade
Grades
9–12
High
Students
877
Enrolled 2024–25
Students per teacher
19.6 : 1
Full-time teachers
District
Prosser School District
Benton County

Schola Grade C · Average

Letter grade (A–F) · compared with 338 Washington high schools · How we grade
Test scores32% proficient in math & reading
15thpercentile
Equity24% of low-income students proficient
10thpercentile
Attendance31% chronically absent
77thpercentile
Graduation rate92% graduate in 4 years
61stpercentile
College readinessAt least 6% take AP, IB or dual-enrollment courses
12thpercentile
Class size19.6 students per teacher
57thpercentile

Percentiles compare this school with other Washington high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Prosser High School

Prosser High School is a public high school in Prosser, Washington, serving grades 9–12. It is part of Prosser School District. The school is located in a town in Benton County.

In the 2024–25 school year, 877 students were enrolled, with about 19.6 students for every full-time teacher. That ratio is close to the typical Washington high school (19.2 students per teacher). Its Schola Grade is C (average), compared with 338 Washington high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1500 Paterson Rd.
Prosser, WA 99350
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
877 students
Students per teacher
19.6 to 1
AP courses offered
1
Charter school
No
Magnet school
No
Locale
Town — Distant
School district
Prosser School District
County
Benton County
NCES school ID
530690001012

Schools near Prosser High School

All 7 schools in Prosser →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.