- Enrollment
- 1,816
- Students per teacher
- 14.2:1
- Resource Index
- 43/100
Elementary school (grades K-5) · Billerica, MA
Locke Middle
Federal NCES profile for Locke Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250267000182
👥 S:T ratio 53
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Locke Middle earns 45/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #2 of 6
- elementary schools in Billerica · Resource Index
- 45
- Resource Index · Typical
- 11.8:1
- students per teacher
- 531
- students enrolled
Locke Middle has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Locke Middle ranks #2 of 6 elementary schools in Billerica, MA.
School address
District: Billerica · Massachusetts
NCES ID 250267000182 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-46 students YoY
Locke Middle shrank from 549 students in 2022-23 to 503 in 2023-24 (-8.4%).
Teacher FTE held 45.8 → 45.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-46 students YoY 250267000182 · Billerica, MA Elementary · MID · TRAD
531 enr · 11.8:1 · RII 45
Nearest enrollment peer: Billerica Memorial High School (1,816 students)
Locke Middle shrank from 549 students in 2022-23 to 503 in 2023-24 (-8.4%). Teacher FTE held 45.8 → 45.7 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Locke Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Billerica Memo
Billerica Memorial High School
1,816 students
- Marshall Middl 596
Marshall Middle School
596 students
- Thomas Ditson 542
Thomas Ditson
542 students
- This school 531
Locke Middle
531 students
- Parker 446
Parker
446 students
- Hajjar Element 401
Hajjar Elementary
401 students
What this shows Locke Middle reports 531 students on the CCD universe file.
How Locke Middle compares
Locke Middle is a shrinking 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 | 11.8:1 | ▼ 4% | 12.3:1 | 15.7:1 |
| Enrollment | 531 | top 33% | - | - |
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.
531
Bigger than 65% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
11.8:1
students per teacher
- 4% below state mean
Top 48% in Massachusetts - lower ratio than 52% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
19.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,862
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
Counselors2.0 FTE
Per 266 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 9 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 73.4%
Asian 9.8%
Hispanic or Latino 8.7%
Two or More 5.3%
African American 2.8%
Largest group: White at 73.4% of enrollment.
Student-body diversity index 44.0/100
Simpson diversity index - at 44.0, Locke Middle is less mixed than the Massachusetts school average of 47.3.
Programs
District finance for Billerica reports $20,862 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Locke Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Billerica Memorial High School | Larger | No free-lunch data | Higher S:T ratio |
| Marshall Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Thomas Ditson | Similar size | No free-lunch data | Higher S:T ratio |
| Parker | Similar size | No free-lunch data | Higher S:T ratio |
| Hajjar Elementary | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Locke Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 596
- Students per teacher
- 12.2:1
- Resource Index
- 50/100
- Enrollment
- 542
- Students per teacher
- 16.4:1
- Resource Index
- 40/100
- Enrollment
- 446
- Students per teacher
- 14.4:1
- Resource Index
- 41/100
- Enrollment
- 401
- Students per teacher
- 15.4:1
- Resource Index
- 39/100
Similar elementary schools in Billerica
5 comparable elementary schools (grades K-5) serving the same city.
Marshall Middle School
Standard public school
596 students 12.2:1 students per teacher
Thomas Ditson
Standard public school
542 students 16.4:1 students per teacher
Parker
Standard public school
446 students 14.4:1 students per teacher
Hajjar Elementary
Standard public school
401 students 15.4:1 students per teacher
John F Kennedy
Standard public school
330 students 15.7:1 students per teacher
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.
Similar enrollment (~531 students)
Frequently asked questions about Locke Middle
How many students attend Locke Middle?
Locke Middle has 531 students enrolled. It is an elementary school in Billerica, MA. CCD year-over-year: 549 (2022-23) → 503 (2023-24), down 46.
What is the student-teacher ratio at Locke Middle?
The student-teacher ratio at Locke Middle is 11.8:1, which is 4% lower than the Massachusetts average of 12.3:1 and 25% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Locke Middle?
The largest demographic group at Locke Middle is White at 73.4% of enrollment, in Billerica, MA.
What is the Resource Investment Index for Locke Middle?
Locke Middle has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Locke Middle rank among elementary schools in Billerica?
By Resource Investment Index, Locke Middle ranks #2 of 6 elementary schools in Billerica, 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 Billerica on the city page.
What other schools are in Billerica?
Besides Locke Middle, Billerica also operates Billerica Memorial High School (1,816 students), Marshall Middle School (596 students), and Thomas Ditson (542 students). See the Billerica district page for the complete list.