- Enrollment
- 2,405
- Students per teacher
- 12.8:1
- Resource Index
- 55/100
Middle school (grades 6-8) · Lexington, MA
Jonas Clarke Middle
Federal NCES profile for Jonas Clarke Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 250684002551
👥 S:T ratio 64
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 85
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jonas Clarke Middle earns 56/100 on the Resource Investment Index, with class sizes smaller than 88% of Massachusetts schools.
- #1 of 11
- public schools in Lexington · Resource Index
- 56
- Resource Index · Higher
- 9.1:1
- small classes for Massachusetts
- 796
- students enrolled
Jonas Clarke Middle has class sizes smaller than 88% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Jonas Clarke Middle ranks #1 of 11 public schools in Lexington, MA.
School address
District: Lexington · Massachusetts
NCES ID 250684002551 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-13 students YoY
Jonas Clarke Middle held near 810 students from 2022-23 to 2023-24 (-13 headcount).
Teacher FTE added 88.0 → 89.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-13 students YoY 250684002551 · Lexington, MA Middle · MID · TRAD
796 enr · 9.1:1 · RII 56
Nearest enrollment peer: Lexington High (2,405 students)
Jonas Clarke Middle held near 810 students from 2022-23 to 2023-24 (-13 headcount). Teacher FTE added 88.0 → 89.2 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Jonas Clarke Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lexington High
Lexington High
2,405 students
- Wm Diamond Mid 936
Wm Diamond Middle
936 students
- This school 796
Jonas Clarke Middle
796 students
- Maria Hastings 579
Maria Hastings
579 students
- Joseph Estabro 490
Joseph Estabrook
490 students
- Bowman 429
Bowman
429 students
What this shows Jonas Clarke Middle reports 796 students on the CCD universe file.
How Jonas Clarke Middle compares
Jonas Clarke Middle held steady on CCD headcount: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.1:1 | ▼ 26% | 12.3:1 | 15.7:1 |
| Enrollment | 796 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.1:1
Leaner classes than 92% of US schools, among the more generously staffed nationally.
796
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
9.1:1
students per teacher
- 26% below state mean
Top 12% in Massachusetts - lower ratio than 88% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
5.9%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$25,657
per pupil, district-wide
- above Massachusetts avg of $23,695
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 265 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 3 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 0.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Asian 42.5%
White 39.5%
Two or More 7.5%
African American 5.3%
Hispanic or Latino 5.2%
Largest group: Asian at 42.5% of enrollment.
Student-body diversity index 65.2/100
Simpson diversity index - at 65.2, Jonas Clarke Middle is more mixed than the Massachusetts school average of 47.3.
Programs
District finance for Lexington reports $25,657 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Jonas Clarke Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lexington High | Larger | No free-lunch data | Higher S:T ratio |
| Wm Diamond Middle | Similar size | No free-lunch data | Similar S:T ratio |
| Maria Hastings | Smaller | No free-lunch data | Higher S:T ratio |
| Joseph Estabrook | Smaller | No free-lunch data | Higher S:T ratio |
| Bowman | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Jonas Clarke Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 936
- Students per teacher
- 10.1:1
- Resource Index
- 44/100
- Enrollment
- 579
- Students per teacher
- 11.4:1
- Resource Index
- 43/100
- Enrollment
- 490
- Students per teacher
- 11.4:1
- Resource Index
- 41/100
- Enrollment
- 429
- Students per teacher
- 11.6:1
- Resource Index
- 46/100
Similar middle schools in Lexington
1 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~796 students)
Frequently asked questions about Jonas Clarke Middle
How many students attend Jonas Clarke Middle?
Jonas Clarke Middle has 796 students enrolled. It is a middle school in Lexington, MA. CCD year-over-year: 823 (2022-23) → 810 (2023-24), nearly flat (-13).
What is the student-teacher ratio at Jonas Clarke Middle?
The student-teacher ratio at Jonas Clarke Middle is 9.1:1, which is 26% lower than the Massachusetts average of 12.3:1 and 42% 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 Jonas Clarke Middle?
The largest demographic group at Jonas Clarke Middle is Asian at 42.5% of enrollment, in Lexington, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.2/100.
What is the Resource Investment Index for Jonas Clarke Middle?
Jonas Clarke Middle has a Resource Investment Index of 56/100 (higher 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 Jonas Clarke Middle rank among public schools in Lexington?
By Resource Investment Index, Jonas Clarke Middle ranks #1 of 11 public schools in Lexington, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lexington on the city page.
What other schools are in Lexington?
Besides Jonas Clarke Middle, Lexington also operates Lexington High (2,405 students), Wm Diamond Middle (936 students), and Maria Hastings (579 students). See the Lexington district page for the complete list.