Enrollment
224
Maine · 2024-25 NCES data
Elementary school (grades K-5) · Arundel, ME
Mildred L Day School
Federal NCES profile for Mildred L Day School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataElementary school (grades K-5)NCES 231477300008
👥 S:T ratio 53
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mildred L Day School earns 44/100 on the Resource Investment Index, with class sizes near the Maine median.
- 44
- Resource Index · Typical
- 11.8:1
- students per teacher
- 14.3%
- free-lunch eligible
- 224
- students enrolled
Mildred L Day School has class sizes near the Maine median. Computed live against every Maine school reporting to NCES.
School address
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 11.1:1 Maine avg
+6% vs state
Free-lunch eligible
14.3%
vs 34.0% Maine avg
-58% vs state
Student-teacher ratio in context
How Mildred L Day School compares with Maine and U.S. medians
What stands out at Mildred L Day School
Mildred L Day School is a lower-poverty, mid-sized elementary school in Arundel, Maine, enrolling 224 students.
Class loads run somewhat heavier than typical: 11.8:1 puts it in the larger third of Maine schools by student-teacher ratio.
Comparatively few students face economic hardship here, 14.3% free-meal eligibility runs 58% below the Maine average.
With 224 students, its enrollment sits close to the Maine median campus size.
Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.
Against 92 statewide peers matched on enrollment and economic need, it ranks mid-pack at #56.
Its student body is predominantly White (88% of enrollment) (diversity index 21/100).
Counselor coverage is strong, about 224 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 24.6% of students chronically absent per the 2021-22 civil-rights collection.
Rsu 21 also operates Kennebunk High School (683 students) and Middle School of the Kennebunks (470 students) alongside Mildred L Day 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 Mildred L Day School compares
Mildred L Day School on the metrics families compare, against Maine and U.S. means.
| Metric | This school | vs Maine | Maine avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.8:1 | ▲ 6% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 14.3% | ▼ 58% | 34.0% | 51.7% |
| Enrollment | 224 | top 54% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
224
Bigger than 22% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
14.3%
free-lunch eligible
- 58% below the Maine average of 34.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.8:1
students per teacher
- 6% above state mean
Top 67% in Maine - lower ratio than 33% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,898
per pupil, district-wide
- below Maine avg of $20,083
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 224 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 88.4%
Hispanic or Latino 5.8%
Asian 2.2%
African American 1.8%
Two or More 1.8%
Largest group: White at 88.4% of enrollment.
Student-body diversity index 21.4/100
Simpson diversity index - at 21.4, Mildred L Day School is about as mixed as the Maine school average of 20.6.
Programs
Funding & spending
District-wide per-pupil expenditure for Rsu 21, which includes Mildred L Day School.
$18,898
Per student
-6%
vs Maine
Avg $20,083
+14%
vs U.S.
Avg $16,593
Revenue mix
Local 78.3%
State 18.5%
Federal 3.2%
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 Mildred L Day School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kennebunk High School | Larger | Similar economic need | Similar S:T ratio |
| Middle School of the Kennebunks | Larger | Similar economic need | Similar S:T ratio |
| Kennebunk Elementary School | Larger | Similar economic need | Similar S:T ratio |
| Sea Road School | Larger | Similar economic need | Similar S:T ratio |
| Kennebunkport Consolidated Sch | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mildred L Day School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 683
- Students per teacher
- 11:1
- Resource Index
- 45/100
- Enrollment
- 470
- Students per teacher
- 10.4:1
- Resource Index
- 54/100
- Enrollment
- 378
- Students per teacher
- 11.8:1
- Resource Index
- 48/100
- Enrollment
- 308
- Students per teacher
- 12.3:1
- Resource Index
- 39/100
- Enrollment
- 199
- Students per teacher
- 11.1:1
- Resource Index
- 40/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Maine, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~224 students)
Next steps
Verify locally before acting on Mildred L Day School's federal record.
- Compare Mildred L Day School against another school. Compare schools
- Rsu 21'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 Mildred L Day School
How many students attend Mildred L Day School?
Mildred L Day School has 224 students enrolled. It is an elementary school in Arundel, ME.
What is the student-teacher ratio at Mildred L Day School?
The student-teacher ratio at Mildred L Day School is 11.8:1, which is 6% higher than the Maine average of 11.1:1 and 25% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Mildred L Day School?
14.3% of students at Mildred L Day School are eligible for free lunch, compared to the Maine average of 34.0%.
What is the racial and ethnic makeup of Mildred L Day School?
The largest demographic group at Mildred L Day School is White at 88.4% of enrollment, in Arundel, ME.
What is the Resource Investment Index for Mildred L Day School?
Mildred L Day School has a Resource Investment Index of 44/100 (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).
Is Mildred L Day School a good school?
Mildred L Day School earns 44/100 on the Resource Investment Index, with class sizes near the Maine 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 Rsu 21?
Besides Mildred L Day School, Rsu 21 also operates Kennebunk High School (683 students), Middle School of the Kennebunks (470 students), and Kennebunk Elementary School (378 students). See the Rsu 21 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.