Enrollment
1,112
Maryland · 2024-25 NCES data
Middle school (grades 6-8) · Rockville, MD
Tilden Middle
Federal NCES profile for Tilden Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 240048001450
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 44
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tilden Middle earns 53/100 on the Resource Investment Index, with class sizes larger than 87% of Maryland schools. It is also more racially and ethnically mixed than most Maryland schools.
- #5 of 6
- middle schools in Rockville · Resource Index
- 53
- Resource Index · Higher
- 17.7:1
- large classes for Maryland
- 24.7%
- free-lunch eligible
Tilden Middle has class sizes larger than 87% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Tilden Middle ranks #5 of 6 middle schools in Rockville, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048001450 Verify on NCES CCD record →
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
17.7:1
vs 14.5:1 Maryland avg
+22% vs state
Free-lunch eligible
24.7%
vs 49.0% Maryland avg
-50% vs state
Student-teacher ratio in context
How Tilden Middle compares with Maryland and U.S. medians
What stands out at Tilden Middle
Tilden Middle is a large middle school in Rockville, Maryland, enrolling 1,112 students.
Class loads run heavy: 17.7:1 is larger than about 87% of Maryland schools and 22% above the 14.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 24.7% of students eligible for free meals.
Enrollment of 1,112 puts it in the larger third of Maryland schools by headcount.
Its Resource Investment Index lands in the upper third of 1,382 scored Maryland schools.
Against 153 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #21.
Its student body is led by White (39%) and Hispanic or Latino (21%), more mixed than most schools in the state (diversity index 75/100).
Counselor coverage runs a bit thin, about 278 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
12.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Rockville's middle schools, it stands alongside Julius West Middle (1,365 students): Tilden Middle is smaller than that campus by headcount and runs heavier classes (17.7:1 vs 15.5:1).
Montgomery County Public Schools also operates Montgomery Blair High (3,266 students) and Walter Johnson High (3,016 students) alongside Tilden Middle.
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 Tilden Middle compares
Tilden Middle on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.7:1 | ▲ 22% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 24.7% | ▼ 50% | 49.0% | 51.7% |
| Enrollment | 1,112 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.7:1
Leaner classes than 26% of US schools, heavier class loads than most.
1,112
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
24.7%
free-lunch eligible
- 50% below the Maryland average of 49.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.7:1
students per teacher
- 22% above state mean
Top 87% in Maryland - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
12.1%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
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
Counselors4.0 FTE
Per 278 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.3 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 39.2%
Hispanic or Latino 21.2%
Asian 16.8%
African American 15.2%
Two or More 7.2%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
Largest group: White at 39.2% of enrollment.
Student-body diversity index 74.5/100
Simpson diversity index - at 74.5, Tilden Middle is more mixed than the Maryland school average of 52.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Montgomery County Public Schools, which includes Tilden Middle.
$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 Tilden Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Higher economic need | Similar S:T ratio |
| Walter Johnson High | Larger | Similar economic need | Similar S:T ratio |
| Wheaton High | Larger | Higher economic need | Similar S:T ratio |
| Gaithersburg High | Larger | Higher economic need | Lower S:T ratio |
| Seneca Valley High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Tilden Middle'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 middle schools in Rockville
5 comparable middle schools (grades 6-8) serving the same city.
Julius West Middle
Standard public school
1,365 students 15.5:1 students per teacher
Parkland Middle
Standard public school
1,185 students 16.5:1 students per teacher
Earle B. Wood Middle
Standard public school
1,019 students 14:1 students per teacher
Robert Frost Middle School
Standard public school
915 students 16.3:1 students per teacher
Redland Middle
Standard public school
562 students 12.2:1 students per teacher
Similar middle 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 (~1,112 students)
Similar student-teacher ratio (~17.7:1)
Next steps
Verify locally before acting on Tilden Middle's federal record.
- Compare Tilden Middle 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 Tilden Middle
How many students attend Tilden Middle?
Tilden Middle has 1,112 students enrolled. It is a middle school in Rockville, MD.
What is the student-teacher ratio at Tilden Middle?
The student-teacher ratio at Tilden Middle is 17.7:1, which is 22% higher than the Maryland average of 14.5:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Tilden Middle?
24.7% of students at Tilden Middle are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Tilden Middle?
The largest demographic group at Tilden Middle is White at 39.2% of enrollment, in Rockville, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.5/100.
What is the Resource Investment Index for Tilden Middle?
Tilden Middle has a Resource Investment Index of 53/100 (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 Tilden Middle rank among middle schools in Rockville?
By Resource Investment Index, Tilden Middle ranks #5 of 6 middle 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 middle schools in Rockville on the city page.
Is Tilden Middle a good school?
Tilden Middle earns 53/100 on the Resource Investment Index, with class sizes larger than 87% of Maryland schools. It is also more racially and ethnically mixed than most Maryland schools. 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 Tilden Middle, 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.