Serving 279 students in grades Kindergarten-6, Grantham Elementary School ranks in the bottom 50% of all schools in Washington for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 25-29% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Washington state average of 53%).
The student-teacher ratio of 13:1 is lower than the Washington state level of 16:1.
Minority enrollment is 25% of the student body (majority Hispanic), which is lower than the Washington state average of 52% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-6
- Enrollment: 279 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 25%
- Overall Testing Rank: Bottom 50% in WA
- Math Proficiency: 25-29% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 40-49% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Grantham Elementary School's student population of 279 students has stayed relatively flat over five school years.
The teacher population of 21 teachers has grown by 16% over five school years.
Grades Offered
Grades Kindergarten-6
(No virtual instruction)
(No virtual instruction)
Total Students
279 students
Gender %
Total Classroom Teachers
21 teachers
Year Founded
1905
Last Day of School
Mon. May 25, 2026
Campus Size
50 acres
School Motto
'Truth and Honor'
School Rankings
Grantham Elementary School ranks within the bottom 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Grantham Elementary School is 0.41, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1788 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
25-29%
41%
Reading/Language Arts Test Scores (% Proficient)
25-29%
53%
Science Test Scores (% Proficient)
40-49%
49%
Student-Teacher Ratio
13:1
16:1
American Indian
1%
1%
Asian
n/a
9%
Hispanic
16%
26%
Black
1%
5%
White
75%
48%
Hawaiian
n/a
2%
Two or more races
7%
9%
All Ethnic Groups
Eligible for Free Lunch
87%
49%
Eligible for Reduced Lunch (22-23)
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Wild Boars
Frequently Asked Questions
What is Grantham Elementary School's ranking?
Grantham Elementary School is ranked #1788 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 41% WA state average), while 25-29% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Grantham Elementary School?
279 students attend Grantham Elementary School.
What is the racial composition of the student body?
75% of Grantham Elementary School students are White, 16% of students are Hispanic, 7% of students are Two or more races, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Grantham Elementary School?
Grantham Elementary School has a student ration of 13:1, which is lower than the Washington state average of 16:1.
What grades does Grantham Elementary School offer ?
Grantham Elementary School offers enrollment in grades Kindergarten-6 (No virtual instruction).
What school district is Grantham Elementary School part of?
Grantham Elementary School is part of Clarkston School District.
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