Other / mixed grade configuration · Mt Airy, MD

Twin Ridge Elementary

Federal NCES profile for Twin Ridge Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.

2024-25 NCES dataOther / mixed grade configurationNCES 240033000159
0/100100/10041/100
👥 S:T ratio
24
🌟 Gifted program
70
🎓 Counselors
30
📋 Attendance
41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Twin Ridge Elementary earns 41/100 on the Resource Investment Index, with class sizes larger than 94% of Maryland schools.

41
Resource Index · Typical
19:1
large classes for Maryland
17.0%
free-lunch eligible
703
students enrolled

Twin Ridge Elementary has class sizes larger than 94% of Maryland schools. Computed live against every Maryland school reporting to NCES.

Enrollment

703

Maryland · 2024-25 NCES data

Teachers (FTE)

37.0

Federal CCD staff survey

Students per teacher

19:1

vs 14.5:1 Maryland avg

+31% vs state

Free-lunch eligible

17.0%

vs 49.0% Maryland avg

-65% vs state

Student-teacher ratio in context

How Twin Ridge Elementary compares with Maryland and U.S. medians

Larger classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Twin Ridge Elementary

Twin Ridge Elementary is a lower-poverty, mid-sized combined-grade school in Mt Airy, Maryland, enrolling 703 students.

Class loads run heavy: 19:1 is larger than about 94% of Maryland schools and 31% above the 14.5:1 state mean, so each teacher carries more students than is typical.

Comparatively few students face economic hardship here, 17.0% free-meal eligibility runs 65% below the Maryland average.

Enrollment of 703 puts it in the larger third of Maryland schools by headcount.

Its Resource Investment Index sits near the middle of the pack among 1,382 scored Maryland schools.

Among 219 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #159, in the lower tier once campus size and economic need are matched.

Its student body is led by White (76%) and Hispanic or Latino (10%) (diversity index 40/100).

Counselor availability sits well past the ASCA benchmark, roughly 352 students sharing each counselor, though short of the most stretched campuses.

Attendance runs somewhat below the norm, with 23.8% of students chronically absent per the 2021-22 civil-rights collection.

The surrounding Frederick County Public Schools spends $14,981 per pupil, 27% below the Maryland average, a leaner-resourced district than most.

Among Mt Airy's public schools, it stands alongside Parr's Ridge Elementary (391 students): Twin Ridge Elementary is larger than that campus by headcount and runs heavier classes (19:1 vs 13.5:1).

Frederick County Public Schools also operates Gov. Thomas Johnson High (2,066 students) and Urbana High (1,989 students) alongside Twin Ridge Elementary.

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 Twin Ridge Elementary compares

Twin Ridge Elementary on the metrics families compare, against Maryland and U.S. means.

Metric This school vs Maryland Maryland avg U.S. avg
Students per teacher 19:1 ▲ 31% 14.5:1 15.7:1
Free-lunch eligible 17.0% ▼ 65% 49.0% 51.7%
Enrollment 703 top 29% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

19:1
Leaner classes than 20% of US schools, heavier class loads than most.
703
Bigger than 80% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
17.0%
free-lunch eligible - 65% below the Maryland average of 49.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19:1
students per teacher - 31% above state mean
Top 94% in Maryland - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
23.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,981
per pupil, district-wide - below Maryland avg of $20,446
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 352 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 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 76.1%
Hispanic or Latino 9.5%
Two or More 8.3%
Asian 4.0%
African American 2.1%

Largest group: White at 76.1% of enrollment.

Student-body diversity index 40.3/100

Simpson diversity index - at 40.3, Twin Ridge Elementary is less mixed than the Maryland school average of 52.3.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Frederick County Public Schools, which includes Twin Ridge Elementary.

$14,981
Per student
-27%
vs Maryland
Avg $20,446
-10%
vs U.S.
Avg $16,593
Revenue mix
Local 50.4%
State 38.3%
Federal 11.2%

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 Twin Ridge Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Gov. Thomas Johnson High Larger Higher economic need Similar S:T ratio
Urbana High Larger Similar economic need Higher S:T ratio
Frederick High Larger Higher economic need Similar S:T ratio
Tuscarora High Larger Higher economic need Similar S:T ratio
Oakdale High Larger Similar economic need Higher S:T ratio

Comparisons are relative to Twin Ridge Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Frederick County Public Schools · 5 sibling schools

View district profile

Similar other schools in Mt Airy

1 comparable other schools (grades Mixed) serving the same city.

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.

Next steps

Verify locally before acting on Twin Ridge Elementary's federal record.

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 Twin Ridge Elementary

How many students attend Twin Ridge Elementary?

Twin Ridge Elementary has 703 students enrolled. It is a public school in Mt Airy, MD.

What is the student-teacher ratio at Twin Ridge Elementary?

The student-teacher ratio at Twin Ridge Elementary is 19:1, which is 31% higher than the Maryland average of 14.5:1 and 21% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Twin Ridge Elementary?

17.0% of students at Twin Ridge Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.

What is the racial and ethnic makeup of Twin Ridge Elementary?

The largest demographic group at Twin Ridge Elementary is White at 76.1% of enrollment, in Mt Airy, MD.

What is the Resource Investment Index for Twin Ridge Elementary?

Twin Ridge Elementary has a Resource Investment Index of 41/100 (typical 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).

Is Twin Ridge Elementary a good school?

Twin Ridge Elementary earns 41/100 on the Resource Investment Index, with class sizes larger than 94% of 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 Frederick County Public Schools?

Besides Twin Ridge Elementary, Frederick County Public Schools also operates Gov. Thomas Johnson High (2,066 students), Urbana High (1,989 students), and Frederick High (1,821 students). See the Frederick County Public Schools district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.