The top reported proficiency rate is 43% in Math. The lowest is 37% in English language arts.
Original Research by School Decision on Prosser Heights Elementary
Prosser Heights Elementary serves the third through fifth grades in the Prosser School District, a small agricultural city in Benton County. The school is a regular public school with no charter or magnet status. State testing data from the 2024-25 school year is available for all three grade levels in math and English language arts, and for fifth grade in science. This is the only year of data available, so there is no trend to examine; a parent should treat these results as a single snapshot.
In math, proficiency rates decline noticeably as students move up the grades. The third-grade cohort posts a rate that is the strongest of the three, while the fourth-grade rate is lower and the fifth-grade rate is lower still. The same general pattern appears in English language arts, where the third-grade rate is the highest and the fourth and fifth grades are below that mark. In fifth-grade science, roughly two out of every five students reach the proficiency bar. When the school is placed among other districts in Benton County using a composite proficiency index, it lands above the midpoint of the six districts in the comparison set. That suggests the school sits in the middle-to-upper range of this county, though the range itself is broad, with the top district posting a considerably higher index and the bottom district a much lower one.
Enrollment is moderate for an upper-elementary school serving three grades. The student body is majority Hispanic, with white students making up the next-largest share, and smaller numbers of students who are Asian, Black, or of two or more races. A substantial share of students qualify for free or reduced-price lunch, which means the school serves a population with significant economic need. Data on students with disabilities and English learners is not available in the records provided; a parent may want to ask the school directly about those numbers and the support structures in place.
Prosser itself is an agricultural hub, the county seat, with the local economy built around fruit orchards, wine grapes, hops, and processing plants. Nearly three dozen wineries operate in and around the city, and wine tourism has become a growing part of the local identity. The school is one of several elementary schools in the Prosser School District, and the district runs a full K-12 system with a high school and a middle school. The town’s housing market has a weighted home value below the state benchmark but slightly above the national benchmark; the area has seen modest home value appreciation, and rents have been rising in line with national trends. The community is small enough that the downtown core is walkable, with tree-lined streets and a historic courthouse, but most of the residential area requires a car.
No information was found on recent district-level changes such as bond measures, levies, or curriculum overhauls. The district brief turned up fiscal data but no parent-relevant lasting changes to report. The school environment section provided no data on discipline rates, course access beyond what is typical for this grade band, staffing ratios, or attendance patterns, so gaps remain on those fronts. A parent considering Prosser Heights Elementary will want to follow up with the school or district office on class sizes, support for students who are behind grade level, and how the school addresses the dip in math proficiency between third and fifth grade.
This is a school in a small agricultural town with a student body that is majority low-income and majority Hispanic. Its test results place it in the middle range of Benton County schools but show a clear pattern of declining math scores in the upper grades. Families who value a community-oriented setting in a rural agricultural hub may find it a good fit, but those concerned about the dip in middle-elementary math performance will want to understand what interventions are in place.
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