Enrollment
77
Maryland · 2024-25 NCES data
Other / mixed grade configuration · Rockville, MD
Rock Terrace School
Federal NCES profile for Rock Terrace School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
2024-25 NCES dataOther / mixed grade configurationNCES 240048001460
👥 S:T ratio 85
🌟 Gifted program 30
🎓 Counselors 69
📋 Attendance 51
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock Terrace School earns 59/100 on the Resource Investment Index, with class sizes smaller than 98% of Maryland schools. It is also one of the smallest schools in Maryland.
- #1 of 14
- schools in Rockville · Resource Index
- 59
- Resource Index · Higher
- 3.7:1
- small classes for Maryland
- 50.7%
- free-lunch eligible
Rock Terrace School has class sizes smaller than 98% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Rock Terrace School ranks #1 of 14 schools in Rockville, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048001460 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
3.7:1
vs 14.5:1 Maryland avg
-74% vs state
Free-lunch eligible
50.7%
vs 49.0% Maryland avg
+3% vs state
Student-teacher ratio in context
How Rock Terrace School compares with Maryland and U.S. medians
What stands out at Rock Terrace School
Rock Terrace School is a higher-need, small combined-grade school in Rockville, Maryland, enrolling 77 students.
Classes run notably small here: at 3.7:1, Rock Terrace School is leaner than roughly 98% of Maryland schools and 74% under the state's 14.5:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 50.7% lands close to the Maryland typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 97% of Maryland schools, with 77 enrolled.
Its Resource Investment Index outscores 97% of the 1,382 Maryland schools with a score on record, a top-tier result on this measure.
Its student body is led by African American (33%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 74/100).
Counselor coverage is strong, about 154 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 19.5% of students chronically absent per the 2021-22 civil-rights collection.
Among Rockville's public schools, it stands alongside Bayard Rustin Elementary (757 students): Rock Terrace School is smaller than that campus by headcount and runs leaner classes (3.7:1 vs 15.1:1).
Montgomery County Public Schools also operates Montgomery Blair High (3,266 students) and Walter Johnson High (3,016 students) alongside Rock Terrace 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 Rock Terrace School compares
Rock Terrace School on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 3.7:1 | ▼ 74% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 50.7% | ▲ 3% | 49.0% | 51.7% |
| Enrollment | 77 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
3.7:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
77
Bigger than 8% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
50.7%
free-lunch eligible
- 3% above the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
3.7:1
students per teacher
- 74% below state mean
Top 2% in Maryland - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
19.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$18,101
per pupil, district-wide
- below Maryland avg of $20,446
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.5 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.
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
African American 32.5%
Hispanic or Latino 28.6%
White 23.4%
Asian 13.0%
Two or More 2.6%
Largest group: African American at 32.5% of enrollment.
Student-body diversity index 74.0/100
Simpson diversity index - at 74.0, Rock Terrace School is more mixed than the Maryland school average of 52.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Montgomery County Public Schools, which includes Rock Terrace School.
$18,101
Per student
-11%
vs Maryland
Avg $20,446
+9%
vs U.S.
Avg $16,593
Revenue mix
Local 66.0%
State 23.7%
Federal 10.3%
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 Rock Terrace School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Similar economic need | Higher S:T ratio |
| Walter Johnson High | Larger | Lower economic need | Higher S:T ratio |
| Wheaton High | Larger | Similar economic need | Higher S:T ratio |
| Gaithersburg High | Larger | Similar economic need | Higher S:T ratio |
| Seneca Valley High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rock Terrace School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
- Enrollment
- 3,016
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 2,794
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 2,441
- Students per teacher
- 14.4:1
- Resource Index
- 56/100
- Enrollment
- 2,409
- Students per teacher
- 15.6:1
- Resource Index
- 41/100
Similar other schools in Rockville
6 comparable other schools (grades Mixed) serving the same city.
Bayard Rustin Elementary
Standard public school
757 students 15.1:1 students per teacher
Luxmanor Elementary
Standard public school
684 students 13.7:1 students per teacher
Lucy V. Barnsley Elementary
Standard public school
621 students 12.4:1 students per teacher
Maryvale Elementary
Standard public school
617 students 13.1:1 students per teacher
Wheaton Woods Elementary
Standard public school
556 students 10.7:1 students per teacher
Mill Creek Towne Elementary
Standard public school
528 students 13.9:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~77 students)
Similar student-teacher ratio (~3.7:1)
Next steps
Verify locally before acting on Rock Terrace School's federal record.
- Compare Rock Terrace School against another school. Compare schools
- Montgomery County Public Schools'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 Rock Terrace School
How many students attend Rock Terrace School?
Rock Terrace School has 77 students enrolled. It is a special-education school in Rockville, MD.
What is the student-teacher ratio at Rock Terrace School?
The student-teacher ratio at Rock Terrace School is 3.7:1, which is 74% lower than the Maryland average of 14.5:1 and 76% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rock Terrace School?
50.7% of students at Rock Terrace School are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Rock Terrace School?
The largest demographic group at Rock Terrace School is African American at 32.5% of enrollment, in Rockville, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.0/100.
What is the Resource Investment Index for Rock Terrace School?
Rock Terrace School has a Resource Investment Index of 59/100 (higher 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).
How does Rock Terrace School rank among schools in Rockville?
By Resource Investment Index, Rock Terrace School ranks #1 of 14 schools in Rockville, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Rockville on the city page.
Is Rock Terrace School a good school?
Rock Terrace School earns 59/100 on the Resource Investment Index, with class sizes smaller than 98% of Maryland schools. It is also one of the smallest schools in Maryland. 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 Montgomery County Public Schools?
Besides Rock Terrace School, Montgomery County Public Schools also operates Montgomery Blair High (3,266 students), Walter Johnson High (3,016 students), and Wheaton High (2,794 students). See the Montgomery County Public Schools 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.