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Isom Elementary School

Public Grades K-5
356th
SchoolDigger Rank ?
of 1,160 Washington Elementary Schools
Better than 69% of Washington elementary schools
Summary

Isom Elementary School is a well-regarded public elementary school serving approximately 413 students in grades K-5 within the Lynden School District in Washington state, known for its strong academic performance and consistent improvement over recent years.

Academically, Isom stands out in the region, particularly for its mathematics program where over 53% of students are proficient, significantly outperforming both the district and state averages. This strength is notable when compared to nearby schools like Fisher Elementary School and Skyline Elementary School. The school also shows effective support for students from all economic backgrounds, achieving strong results even with a moderate level of need among its student population. While it maintains a solid 3-star rating, the school has shown a clear upward trajectory in its statewide ranking.

Isom delivers these strong outcomes efficiently, spending less per student than some neighboring schools like Cascadia Elementary while achieving higher proficiency rates. Parents can expect consistent performance in English Language Arts, with scores improving as students progress to 5th grade. The school compares favorably within its own district, offering a different strength profile than Vossbeck Elementary School. A key area for community focus is enhancing support for Special Education students to match the school's overall high performance.

413
Students ?
16.5
Student/teacher ratio ?
$18,187
Per pupil spending ?
46.5%
Free/discounted lunch ?
 8461 Benson Rd
       Lynden, WA  98264

(360) 354-1992

District: Lynden School District


Students who attend Isom Elementary School usually attend:

Middle:    Lynden Middle School
High:    Lynden High School
Racial breakdown:

White:
60.5%
Hispanic:
29.5%
Two or more races:
6.3%
more
 See top rated Washington elementary schools

 Compare Isom Elementary School to nearby elementary schools!
At a glance
Ranking trend: Declining — 82nd percentile in 2015 → 69th in 2025
Strengths
Test scores above the Washington average (57% vs 48% meeting standards)
Above the Washington median (69th percentile)
Worth a look
!Ranking has slipped — down 13 percentile points since 2015
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2024-2025) ?
This school57%
District avg48%
Washington avg48%
356th of 1,160
Washington public elementary schools ?
Top 31%▼ down 13 pts since 2015
From top 18% (2015) to top 31% (2025)
See the entire ranking list of Washington Elementary Schools →
SchoolDigger rating ?
1st of 3Elementary Schools in the Lynden School District
85th of 247Lynden School District among Washington districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankWashington percentileRating
202566.8356 of 116069.3%★★★☆☆
202459.7447 of 116861.7%★★★☆☆
202359.0454 of 116961.2%★★★☆☆
202265.8370 of 116968.3%★★★☆☆
202166.0342 of 110769.1%★★★☆☆
201949.2592 of 113047.6%★★☆☆☆
201854.9479 of 105454.6%★★★☆☆
201763.7392 of 105662.9%★★★☆☆
201678.3210 of 105380.1%★★★★☆
201579.5190 of 106782.2%★★★★☆
201381.5152 of 110686.3%★★★★☆
201279.4162 of 109785.2%★★★★☆
201179.3163 of 109285.1%★★★★☆
201067.5313 of 108871.2%★★★★☆
200973.8237 of 107277.9%★★★★☆
200873.3240 of 106777.5%★★★★☆
200776.3192 of 106982.0%★★★★☆
200659.6423 of 105159.8%★★★☆☆
200561.5390 of 103162.2%★★★☆☆
200465.5311 of 102669.7%★★★☆☆

English Language Learner

YearAvg scoreStatewide rankWashington percentileRating
201943.1124 of 24850.0%★★★☆☆

Female

YearAvg scoreStatewide rankWashington percentileRating
202563.5362 of 109266.8%★★★☆☆
202458.0425 of 109361.1%★★★☆☆
202358.6421 of 109461.5%★★★☆☆
202261.8390 of 110064.5%★★★☆☆
202160.8363 of 100864.0%★★★☆☆
201958.2457 of 106857.2%★★★☆☆
201865.3346 of 100465.5%★★★☆☆

Hispanic

YearAvg scoreStatewide rankWashington percentileRating
202547.0339 of 65948.6%★★☆☆☆
202464.7201 of 65169.1%★★★☆☆
202337.7410 of 63335.2%★★☆☆☆
202258.8214 of 69469.2%★★★☆☆
202155.7154 of 50169.3%★★★☆☆
201943.1406 of 69741.8%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankWashington percentileRating
202564.8298 of 101370.6%★★★★☆
202452.5471 of 102454.0%★★★☆☆
202356.9393 of 101361.2%★★★☆☆
202264.1287 of 101971.8%★★★★☆
202160.7260 of 85469.6%★★★☆☆
201934.3703 of 97928.2%★☆☆☆☆
201835.9581 of 83530.4%★★☆☆☆

Male

YearAvg scoreStatewide rankWashington percentileRating
202567.2335 of 109869.5%★★★☆☆
202460.1415 of 109962.2%★★★☆☆
202357.5431 of 109960.8%★★★☆☆
202268.1327 of 111370.6%★★★★☆
202167.4301 of 102570.6%★★★★☆
201940.9660 of 107538.6%★★☆☆☆
201839.9610 of 99938.9%★★☆☆☆

Special Education

YearAvg scoreStatewide rankWashington percentileRating
202324.9257 of 30816.6%★☆☆☆☆
202254.6161 of 47866.3%★★★☆☆
201934.6360 of 56636.4%★★☆☆☆
201832.3446 of 63730.0%★★☆☆☆

White

YearAvg scoreStatewide rankWashington percentileRating
202571.6265 of 100773.7%★★★★☆
202461.4381 of 100962.2%★★★☆☆
202364.9341 of 101166.3%★★★☆☆
202269.0306 of 103170.3%★★★★☆
202174.5214 of 94377.3%★★★★☆
201943.9625 of 102739.1%★★☆☆☆
201850.3425 of 83349.0%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
White (2025)74th percentile+4 vs school
Low Socio Economic Status (2025)71st percentile~ school
Male (2025)69th percentile~ school
Female (2025)67th percentile~ school
English Language Learner (2019)50th percentile~ school
Hispanic (2025)49th percentile-21 vs school
Special Education (2023)17th percentile-45 vs school
By subject vs Washington (2024-2025) ?
English Language Arts62%+9 vs state
Science56%+7 vs state
Math54%+11 vs state

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Frequently Asked Questions about Isom Elementary School

Students who attend Isom Elementary School usually go on to attend:

Middle : Lynden Middle School
High : Lynden High School

Students at Isom Elementary School are 61% White, 30% Hispanic, 6% Two or more races, 3% Asian.

In the 2024-25 school year, 413 students attended Isom Elementary School.

Isom Elementary School ranks 356th of 1160 Washington elementary schools. SchoolDigger rates this school 3 stars out of 5.


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Latest Washington data All new data »
2024–25 dropout rates & graduation ratesJan 8, 2026
2022–23 through 2023–24 school spending dataJan 6, 2026
2024–25 SBAC & WCAS test scoresSep 10, 2025
2023–24 dropout rates & graduation ratesJan 16, 2025


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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