Other / mixed grade configuration · Marlborough, CT
Elmer Thienes-Mary Hall Elementary School
Federal NCES profile for Elmer Thienes-Mary Hall Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 67/100.
The verdict
Elmer Thienes-Mary Hall Elementary School earns 67/100 on the Resource Investment Index, with class sizes larger than 71% of Connecticut schools.
- 67
- Resource Index · Higher
- 12.7:1
- large classes for Connecticut
- 12.1%
- free-lunch eligible
- 458
- students enrolled
Elmer Thienes-Mary Hall Elementary School has class sizes larger than 71% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
School address
NCES ID 090237000437 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-11 students YoY
Elmer Thienes-Mary Hall Elementary School held near 445 students from 2022-23 to 2023-24 (-11 headcount).
Teacher FTE added 36.6 → 38.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-11 students YoY 090237000437 · Marlborough, CT Other · SMALL · TRAD
458 enr · 12.7:1 · 12.1% lunch · RII 67
Nearest enrollment peer: Pleasant Valley Elementary School (458 students)
Elmer Thienes-Mary Hall Elementary School held near 445 students from 2022-23 to 2023-24 (-11 headcount). Teacher FTE added 36.6 → 38.6 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
How Elmer Thienes-Mary Hall Elementary School compares
Elmer Thienes-Mary Hall Elementary School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.7:1 | ▲ 5% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 12.1% | ▼ 67% | 36.4% | 51.7% |
| Enrollment | 458 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 84.7% of enrollment.
Simpson diversity index - at 27.3, Elmer Thienes-Mary Hall Elementary School is less mixed than the Connecticut school average of 50.5.
Programs
District finance for Marlborough School District reports $21,732 per pupil (NCES F-33) - open the district page for the full revenue mix.
Nationwide other 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 (~458 students)
Frequently asked questions about Elmer Thienes-Mary Hall Elementary School
How many students attend Elmer Thienes-Mary Hall Elementary School?
Elmer Thienes-Mary Hall Elementary School has 458 students enrolled. It is a public school in Marlborough, CT. CCD year-over-year: 456 (2022-23) → 445 (2023-24), nearly flat (-11).
What is the student-teacher ratio at Elmer Thienes-Mary Hall Elementary School?
The student-teacher ratio at Elmer Thienes-Mary Hall Elementary School is 12.7:1, which is 5% higher than the Connecticut average of 12.1:1 and 19% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Elmer Thienes-Mary Hall Elementary School?
12.1% of students at Elmer Thienes-Mary Hall Elementary School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Elmer Thienes-Mary Hall Elementary School?
The largest demographic group at Elmer Thienes-Mary Hall Elementary School is White at 84.7% of enrollment, in Marlborough, CT.
What is the Resource Investment Index for Elmer Thienes-Mary Hall Elementary School?
Elmer Thienes-Mary Hall Elementary School has a Resource Investment Index of 67/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Marlborough School District?
None reported; Marlborough School District operates only Elmer Thienes-Mary Hall Elementary School as a public school district in NCES's records.