Enrollment
465
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Sedro-Woolley, WA
Mary Purcell Elementary School
Federal NCES profile for Mary Purcell Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataElementary school (grades K-5)NCES 530774001277
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 15
📋 Attendance 58
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mary Purcell Elementary School earns 43/100 on the Resource Investment Index, with class sizes near the Washington median.
- #3 of 4
- elementary schools in Sedro-Woolley · Resource Index
- 43
- Resource Index · Typical
- 17.9:1
- students per teacher
- 67.1%
- free-lunch eligible
Mary Purcell Elementary School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Mary Purcell Elementary School ranks #3 of 4 elementary schools in Sedro-Woolley, WA.
School address
District: Sedro-Woolley School District · Washington
NCES ID 530774001277 Verify on NCES CCD record →
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 17.6:1 Washington avg
+2% vs state
Free-lunch eligible
67.1%
vs 45.0% Washington avg
+49% vs state
Student-teacher ratio in context
How Mary Purcell Elementary School compares with Washington and U.S. medians
What stands out at Mary Purcell Elementary School
Mary Purcell Elementary School is a higher-need, mid-sized elementary school in Sedro-Woolley, Washington, enrolling 465 students.
Class loads run somewhat heavier than typical: 17.9:1 puts it in the larger third of Washington schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 67.1% of students eligible for free meals.
With 465 students, its enrollment sits close to the Washington median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,394 scored Washington schools.
Against 429 statewide peers matched on enrollment and economic need, it ranks mid-pack at #246.
Its student body is led by White (50%) and Hispanic or Latino (39%) (diversity index 59/100).
Counselor access is stretched at roughly 427 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Sedro-Woolley's elementary schools, it stands alongside Evergreen Elementary School (511 students): Mary Purcell Elementary School is smaller than that campus by headcount and runs heavier classes (17.9:1 vs 14.6:1).
Sedro-Woolley School District also operates Sedro Woolley Senior High School (1,280 students) and Cascade Middle School (670 students) alongside Mary Purcell 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 Mary Purcell Elementary School compares
Mary Purcell 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 | 17.9:1 | ▲ 2% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 67.1% | ▲ 49% | 45.0% | 51.7% |
| Enrollment | 465 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
465
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
67.1%
free-lunch eligible
- 49% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.9:1
students per teacher
- 2% above state mean
Top 64% in Washington - lower ratio than 36% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
16.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,428
per pupil, district-wide
- below Washington avg of $19,487
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.1 FTE
Per 427 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 7 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 1.9 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 50.3%
Hispanic or Latino 39.4%
Two or More 7.5%
American Indian / Alaska Native 1.9%
Asian 0.4%
African American 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 50.3% of enrollment.
Student-body diversity index 58.6/100
Simpson diversity index - at 58.6, Mary Purcell Elementary School is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sedro-Woolley School District, which includes Mary Purcell Elementary School.
$17,428
Per student
-11%
vs Washington
Avg $19,487
+5%
vs U.S.
Avg $16,593
Revenue mix
Local 21.0%
State 66.2%
Federal 12.8%
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 Mary Purcell Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sedro Woolley Senior High School | Larger | Lower economic need | Higher S:T ratio |
| Cascade Middle School | Larger | Lower economic need | Higher S:T ratio |
| Evergreen Elementary School | Similar size | Lower economic need | Lower S:T ratio |
| Central Elementary School | Similar size | Lower economic need | Similar S:T ratio |
| Clear Lake Elementary School | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Mary Purcell Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,280
- Students per teacher
- 21.7:1
- Resource Index
- 41/100
- Enrollment
- 670
- Students per teacher
- 20.3:1
- Resource Index
- 41/100
- Enrollment
- 511
- Students per teacher
- 14.6:1
- Resource Index
- 43/100
- Enrollment
- 476
- Students per teacher
- 17:1
- Resource Index
- 44/100
- Enrollment
- 314
- Students per teacher
- 19.6:1
- Resource Index
- 44/100
Similar elementary schools in Sedro-Woolley
3 comparable elementary schools (grades K-5) serving the same city.
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 (~465 students)
Similar student-teacher ratio (~17.9:1)
Next steps
Verify locally before acting on Mary Purcell Elementary School's federal record.
- Compare Mary Purcell Elementary School against another school. Compare schools
- Sedro-Woolley 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 Mary Purcell Elementary School
How many students attend Mary Purcell Elementary School?
Mary Purcell Elementary School has 465 students enrolled. It is an elementary school in Sedro-Woolley, WA.
What is the student-teacher ratio at Mary Purcell Elementary School?
The student-teacher ratio at Mary Purcell Elementary School is 17.9:1, which is 2% higher than the Washington average of 17.6:1 and 14% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mary Purcell Elementary School?
67.1% of students at Mary Purcell Elementary School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Mary Purcell Elementary School?
The largest demographic group at Mary Purcell Elementary School is White at 50.3% of enrollment, in Sedro-Woolley, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.6/100.
What is the Resource Investment Index for Mary Purcell Elementary School?
Mary Purcell Elementary School has a Resource Investment Index of 43/100 (typical 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 Mary Purcell Elementary School rank among elementary schools in Sedro-Woolley?
By Resource Investment Index, Mary Purcell Elementary School ranks #3 of 4 elementary schools in Sedro-Woolley, 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 Sedro-Woolley on the city page.
Is Mary Purcell Elementary School a good school?
Mary Purcell Elementary School earns 43/100 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 Sedro-Woolley School District?
Besides Mary Purcell Elementary School, Sedro-Woolley School District also operates Sedro Woolley Senior High School (1,280 students), Cascade Middle School (670 students), and Evergreen Elementary School (511 students). See the Sedro-Woolley 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.