Enrollment
1,445
Massachusetts · 2024-25 NCES data
High school (grades 9-12) · Sudbury, MA
Lincoln-Sudbury Regional High
Federal NCES profile for Lincoln-Sudbury Regional High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 66/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 250693001011
👥 S:T ratio 54
📚 AP courses 90
🌟 Gifted program 30
🎓 Counselors 78
📋 Attendance 76
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lincoln-Sudbury Regional High earns 66/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also one of the largest schools in Massachusetts.
- #1 of 6
- public schools in Sudbury · Resource Index
- 66
- Resource Index · Higher
- 11.4:1
- students per teacher
- 1,445
- students enrolled
Lincoln-Sudbury Regional High has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Lincoln-Sudbury Regional High ranks #1 of 6 public schools in Sudbury, MA.
School address
District: Lincoln-Sudbury · Massachusetts
NCES ID 250693001011 Verify on NCES CCD record →
Teachers (FTE)
127.0
Federal CCD staff survey
Students per teacher
11.4:1
vs 12.3:1 Massachusetts avg
-7% vs state
Student-teacher ratio in context
How Lincoln-Sudbury Regional High compares with Massachusetts and U.S. medians
What stands out at Lincoln-Sudbury Regional High
Lincoln-Sudbury Regional High is a large high school in Sudbury, Massachusetts, enrolling 1,445 students.
At 11.4:1, its student-teacher ratio sits close to the Massachusetts median, within a few percentage points of the 12.3:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Massachusetts, bigger than 97% of state schools at 1,445 students.
Its Resource Investment Index outscores 97% of the 1,831 Massachusetts schools with a score on record, a top-tier result on this measure.
Its student body is led by White (70%) and Asian (10%) (diversity index 49/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor coverage is strong, about 111 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 9.5% of students were chronically absent, below the typical post-pandemic national figure.
Lincoln-Sudbury operates only this one school, so Lincoln-Sudbury Regional High has no district-mates to compare against locally. At 1,445 students, it is also among the largest single-school districts in Massachusetts, well beyond the enrollment of a typical standalone charter.
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 Lincoln-Sudbury Regional High compares
Lincoln-Sudbury Regional High on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.4:1 | ▼ 7% | 12.3:1 | 15.7:1 |
| Enrollment | 1,445 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.4:1
Leaner classes than 80% of US schools, among the more generously staffed nationally.
1,445
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
11.4:1
students per teacher
- 7% below state mean
Top 41% in Massachusetts - lower ratio than 59% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
9.5%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$23,734
per pupil, district-wide
- above Massachusetts avg of $22,458
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors13.1 FTE
Per 111 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 25 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 2.7 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 69.7%
Asian 10.1%
Two or More 7.5%
Hispanic or Latino 7.4%
African American 5.0%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 69.7% of enrollment.
Student-body diversity index 49.0/100
Simpson diversity index - at 49.0, Lincoln-Sudbury Regional High is about as mixed as the Massachusetts school average of 47.3.
Programs
AP courses offered 18
Funding & spending
District-wide per-pupil expenditure for Lincoln-Sudbury, which includes Lincoln-Sudbury Regional High.
$23,734
Per student
+6%
vs Massachusetts
Avg $22,458
+43%
vs U.S.
Avg $16,593
Revenue mix
Local 72.7%
State 23.9%
Federal 3.5%
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.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,445 students)
Similar student-teacher ratio (~11.4:1)
Next steps
Verify locally before acting on Lincoln-Sudbury Regional High's federal record.
- Compare Lincoln-Sudbury Regional High against another school. Compare schools
- Lincoln-Sudbury'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 Lincoln-Sudbury Regional High
How many students attend Lincoln-Sudbury Regional High?
Lincoln-Sudbury Regional High has 1,445 students enrolled. It is a high school in Sudbury, MA.
What is the student-teacher ratio at Lincoln-Sudbury Regional High?
The student-teacher ratio at Lincoln-Sudbury Regional High is 11.4:1, which is 7% lower than the Massachusetts average of 12.3:1 and 27% 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 Lincoln-Sudbury Regional High?
The largest demographic group at Lincoln-Sudbury Regional High is White at 69.7% of enrollment, in Sudbury, MA.
What is the Resource Investment Index for Lincoln-Sudbury Regional High?
Lincoln-Sudbury Regional High has a Resource Investment Index of 66/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lincoln-Sudbury Regional High rank among public schools in Sudbury?
By Resource Investment Index, Lincoln-Sudbury Regional High ranks #1 of 6 public schools in Sudbury, 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 Sudbury on the city page.
Is Lincoln-Sudbury Regional High a good school?
Lincoln-Sudbury Regional High earns 66/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also one of the largest schools in Massachusetts. 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 Lincoln-Sudbury?
None reported; Lincoln-Sudbury operates only Lincoln-Sudbury Regional High as a public school district in NCES's records.
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.