Elementary school (grades K-5) · Winchester, MA

Ambrose Elementary

Federal NCES profile for Ambrose Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.

2024-25 NCES dataElementary school (grades K-5)NCES 251311002164
0/100100/10056/100
👥 S:T ratio
49
🌟 Gifted program
30
📋 Attendance
88
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Ambrose Elementary earns 56/100 on the Resource Investment Index, with class sizes near the Massachusetts median.

#1 of 3
elementary schools in Winchester · Resource Index
56
Resource Index · Higher
12.8:1
students per teacher
398
students enrolled

Ambrose Elementary has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.

By Resource Investment Index, Ambrose Elementary ranks #1 of 3 elementary schools in Winchester, MA.

School address

CCD year-over-year · 2022-23 → 2023-24

+38 students YoY

Ambrose Elementary grew from 345 students in 2022-23 to 383 in 2023-24 (+11.0%).

Teacher FTE lost 31.3 → 30.8 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Growing CCD campus

+38 students YoY 251311002164 · Winchester, MA Elementary · SMALL · TRAD

398 enr · 12.8:1 · RII 56

Nearest enrollment peer: Winchester High School (1,404 students)

Ambrose Elementary grew from 345 students in 2022-23 to 383 in 2023-24 (+11.0%). Teacher FTE lost 31.3 → 30.8 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →

Ambrose Elementary in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Ambrose Elementary reports 398 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Ambrose Elementary compares

Ambrose Elementary is a growing campus on CCD: ratios and free-lunch share vs Massachusetts and U.S. means.

Metric This school vs Massachusetts Massachusetts avg U.S. avg
Students per teacher 12.8:1 ▲ 4% 12.3:1 15.7:1
Enrollment 398 top 52% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

12.8:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
398
Bigger than 47% of US schools by enrollment, mid-sized for the country.

Equity indicators methodology

Staffing depth
12.8:1
students per teacher - 4% above state mean
Top 65% in Massachusetts - lower ratio than 35% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
4.8%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$19,628
per pupil, district-wide - below Massachusetts avg of $23,695
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
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.

Student demographics

White 79.4%
Asian 9.5%
Two or More 7.0%
Hispanic or Latino 3.5%
African American 0.5%

Largest group: White at 79.4% of enrollment.

Student-body diversity index 35.4/100

Simpson diversity index - at 35.4, Ambrose Elementary is less mixed than the Massachusetts school average of 47.3.

Programs

District finance for Winchester reports $19,628 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Ambrose Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Winchester High School Larger No free-lunch data Higher S:T ratio
Mccall Middle Larger No free-lunch data Similar S:T ratio
Vinson-Owen Elementary Similar size No free-lunch data Similar S:T ratio
Lynch Elementary Similar size No free-lunch data Lower S:T ratio
Muraco Elementary Similar size No free-lunch data Lower S:T ratio

Comparisons are relative to Ambrose Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Winchester · 5 sibling schools

View district profile

Similar elementary schools in Winchester

2 comparable elementary schools (grades K-5) serving the same city.

Nationwide elementary schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Frequently asked questions about Ambrose Elementary

How many students attend Ambrose Elementary?

Ambrose Elementary has 398 students enrolled. It is an elementary school in Winchester, MA. CCD year-over-year: 345 (2022-23) → 383 (2023-24), up 38.

What is the student-teacher ratio at Ambrose Elementary?

The student-teacher ratio at Ambrose Elementary is 12.8:1, which is 4% higher than the Massachusetts average of 12.3:1 and 18% lower than the national average of 15.7:1.

What is the racial and ethnic makeup of Ambrose Elementary?

The largest demographic group at Ambrose Elementary is White at 79.4% of enrollment, in Winchester, MA.

What is the Resource Investment Index for Ambrose Elementary?

Ambrose Elementary has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Ambrose Elementary rank among elementary schools in Winchester?

By Resource Investment Index, Ambrose Elementary ranks #1 of 3 elementary schools in Winchester, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Winchester on the city page.

What other schools are in Winchester?

Besides Ambrose Elementary, Winchester also operates Winchester High School (1,404 students), Mccall Middle (1,036 students), and Vinson-Owen Elementary (441 students). See the Winchester district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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