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Grantham Elementary

Clarkston, WA · Clarkston School District · Grades K-6

1,012th of 1,174 Washington elementary schools statewide · better than 14% Improving

279
Students
2023–24 enrollment
13.9:1
Student / teacher ratio
88%
Free / reduced-price lunch
low-income indicator
26.7%
Chronically absent
WA average 27%

Grantham Elementary ranking

SchoolRow ranks Grantham Elementary 1,012th of 1,174 Washington elementary schools for 2024–25, based on WA Smarter Balanced / WCAS 2024–25 English and Math results — better than 14% of elementary schools statewide. Its statewide percentile went from 9th in 2019 to 14th in 2025 — improving.

Statewide percentile by year
25%50%75%14%201920202025no testing 2020–21

Grantham Elementary test scores

Percent meeting or exceeding the state standard, WA Smarter Balanced / WCAS 2024–25 · 161 students tested

English Language Arts
This school
29%
WA average
51%
Math
This school
26%
WA average
41%
Science
This school
36%
WA average
43%
English Language Arts over time this school WA average
25%50%75%29%51%201920202025no testing 2020–21
Math over time this school WA average
25%50%75%26%41%201920202025no testing 2020–21

Grantham Elementary students

Racial and ethnic breakdown of 279 students (202324, NCES) — and how it has shifted since 2013

Hispanic16%White75%8%
Hover the pie for details
Hispanic 16%White 75%Two or more races 8%9%82%8%20132023
GroupTrend20132023Change
White81.9%74.6% 7.3 pts
Hispanic8.8%15.8% 7.0 pts
Two or more races8.0%7.5% 0.5 pts
American Indian1.2%1.4% 0.2 pts
Black0.0%0.7% 0.7 pts

Homes near Grantham Elementary

Typical home value $347K in zip 99403 as of 2026-05 · trend since 2009

$90K$181K$271K$362K$344K2009201520202025

Data Provided by Zillow Group

See recently sold homes in 99403 on Zillow →

Elementary schools near Grantham Elementary

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is Grantham Elementary in?

Grantham Elementary is part of the Clarkston School District district in Clarkston, Washington.

Is Grantham Elementary a good school?

SchoolRow ranks Grantham Elementary 1,012th of 1,174 Washington elementary schools (better than 14% statewide) based on 2024–25 test results (WA Smarter Balanced / WCAS 2024–25).

What is the racial makeup of Grantham Elementary?

White 75%, Hispanic 16%, Two or more races 8%, American Indian 1% (279 students, 2023–24).

How much do homes near Grantham Elementary cost?

The typical home value in zip code 99403 is $347K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (WA Smarter Balanced / WCAS 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.