Serving 413 students in grades Kindergarten-5, Isom Elementary School ranks in the top 50% of all schools in Washington for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 51% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 54% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 17:1 is equal to the Washington state level of 17:1.
Minority enrollment is 40% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 413 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 40%
- Overall Testing Rank: Top 50% in WA
- Math Proficiency: 51% (Top 30%)
- Reading Proficiency: 54% (Top 50%)
- Science Proficiency: 60-64% (Top 30%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Isom Elementary School's student population of 413 students has stayed relatively flat over five school years.
The teacher population of 25 teachers has declined by 13% over five school years.
Grades Offered
Grades Kindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
413 students
Total Classroom Teachers
25 teachers
School Calendar
Last Day of School
Sat. Jun 13, 2026
School Rankings
Isom Elementary School ranks within the top 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Isom Elementary School is 0.55, 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
#690 out of 2088 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
51%
41%
Reading/Language Arts Test Scores (% Proficient)
54%
53%
Science Test Scores (% Proficient)
60-64%
49%
Student-Teacher Ratio
17:1
17:1
American Indian
n/a
1%
Asian
3%
9%
Hispanic
30%
27%
Black
1%
5%
White
60%
47%
Hawaiian
n/a
2%
Two or more races
6%
9%
All Ethnic Groups
Eligible for Free Lunch
34%
39%
Eligible for Reduced Lunch
12%
9%
School Statewide Testing
School District Name
Lynden School District
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Isom Elementary School's ranking?
Isom Elementary School is ranked #690 out of 2,088 schools, which ranks it among the top 50% of public schools in Washington.
What schools are Isom Elementary School often compared to?
Isom Elementary Schoolis often viewed alongside schools like Fisher Elementary School, Vossbeck Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
51% of students have achieved math proficiency (compared to the 41% WA state average), while 54% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Isom Elementary School?
413 students attend Isom Elementary School.
What is the racial composition of the student body?
60% of Isom Elementary School students are White, 30% of students are Hispanic, 6% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Isom Elementary School?
Isom Elementary School has a student ration of 17:1, which is equal to the Washington state average of 17:1.
What grades does Isom Elementary School offer ?
Isom Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).
What school district is Isom Elementary School part of?
Isom Elementary School is part of Lynden School District.
School Reviews
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