Enrollment
413
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Lynden, WA
Isom Elementary School
Federal NCES profile for Isom Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataElementary school (grades K-5)NCES 530462002260
👥 S:T ratio 41
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 77
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Isom Elementary School earns 51/100 on the Resource Investment Index, with class sizes near the Washington median.
- #1 of 3
- elementary schools in Lynden · Resource Index
- 51
- Resource Index · Higher
- 14.8:1
- students per teacher
- 33.3%
- free-lunch eligible
Isom Elementary School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Isom Elementary School ranks #1 of 3 elementary schools in Lynden, WA.
School address
District: Lynden School District · Washington
NCES ID 530462002260 Verify on NCES CCD record →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
14.8:1
vs 17.6:1 Washington avg
-16% vs state
Free-lunch eligible
33.3%
vs 45.0% Washington avg
-26% vs state
Student-teacher ratio in context
How Isom Elementary School compares with Washington and U.S. medians
What stands out at Isom Elementary School
Isom Elementary School is a mid-sized elementary school in Lynden, Washington, enrolling 413 students.
Class sizes run a bit leaner than typical: 14.8:1 puts it in the smaller third of Washington schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 33.3% of students eligible for free meals.
With 413 students, its enrollment sits close to the Washington median campus size.
Its Resource Investment Index lands in the upper third of 2,394 scored Washington schools.
Against 467 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #132.
Its student body is led by White (61%) and Hispanic or Latino (30%) (diversity index 54/100).
Counselor access is stretched at roughly 413 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 9.4% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Lynden School District spends $15,437 per pupil, 21% below the Washington average, a leaner-resourced district than most.
Lynden School District also operates Lynden High School (1,002 students) and Lynden Middle School (705 students) alongside Isom Elementary School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Isom Elementary School compares
Isom Elementary School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.8:1 | ▼ 16% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 33.3% | ▼ 26% | 45.0% | 51.7% |
| Enrollment | 413 | top 45% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.8:1
Leaner classes than 49% of US schools, a middle-of-the-pack class size.
413
Bigger than 49% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
33.3%
free-lunch eligible
- 26% below the Washington average of 45.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.8:1
students per teacher
- 16% below state mean
Top 31% in Washington - lower ratio than 69% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
9.4%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$15,437
per pupil, district-wide
- below Washington avg of $19,487
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 413 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 60.5%
Hispanic or Latino 29.5%
Two or More 6.3%
Asian 2.7%
African American 0.7%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 60.5% of enrollment.
Student-body diversity index 54.2/100
Simpson diversity index - at 54.2, Isom Elementary School is about as mixed as the Washington school average of 53.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Lynden School District, which includes Isom Elementary School.
$15,437
Per student
-21%
vs Washington
Avg $19,487
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 21.1%
State 67.8%
Federal 11.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Isom Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lynden High School | Larger | Similar economic need | Higher S:T ratio |
| Lynden Middle School | Larger | Similar economic need | Higher S:T ratio |
| Fisher Elementary School | Larger | Higher economic need | Higher S:T ratio |
| Vossbeck Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Lynden Academy | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Isom Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,002
- Students per teacher
- 23.3:1
- Resource Index
- 44/100
- Enrollment
- 705
- Students per teacher
- 19.6:1
- Resource Index
- 46/100
- Enrollment
- 546
- Students per teacher
- 17.6:1
- Resource Index
- 43/100
- Enrollment
- 468
- Students per teacher
- 14.2:1
- Resource Index
- 50/100
- Enrollment
- 419
- Students per teacher
- 41.9:1
- Resource Index
- 54/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~413 students)
Similar student-teacher ratio (~14.8:1)
Next steps
Verify locally before acting on Isom Elementary School's federal record.
- Compare Isom Elementary School against another school. Compare schools
- Lynden School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Isom Elementary School
How many students attend Isom Elementary School?
Isom Elementary School has 413 students enrolled. It is an elementary school in Lynden, WA.
What is the student-teacher ratio at Isom Elementary School?
The student-teacher ratio at Isom Elementary School is 14.8:1, which is 16% lower than the Washington average of 17.6:1 and 6% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Isom Elementary School?
33.3% of students at Isom Elementary School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Isom Elementary School?
The largest demographic group at Isom Elementary School is White at 60.5% of enrollment, in Lynden, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.2/100.
What is the Resource Investment Index for Isom Elementary School?
Isom Elementary School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Isom Elementary School rank among elementary schools in Lynden?
By Resource Investment Index, Isom Elementary School ranks #1 of 3 elementary schools in Lynden, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lynden on the city page.
Is Isom Elementary School a good school?
Isom Elementary School earns 51/100 on the Resource Investment Index, with class sizes near the Washington median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Lynden School District?
Besides Isom Elementary School, Lynden School District also operates Lynden High School (1,002 students), Lynden Middle School (705 students), and Fisher Elementary School (546 students). See the Lynden School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.