Rosemary Hills Elementary
Bethesda-Chevy Chase cluster · 2111 Porter Rd, 20910
School website ↗·Rosemary Hills PTA ↗
Class size
Average class size by grade band over recent years, with the latest year measured against MCPS's published guideline.
Data table
| Series | 2017-2018 | 2018-2019 | 2019-2020 | 2020-2021 | 2021-2022 | 2022-2023 | 2023-2024 | 2024-2025 |
|---|---|---|---|---|---|---|---|---|
| Kindergarten | 21.3 * | 21.7 * | 22.6 * | 17.3 * | 16.7 * | 19.8 * | 19.7 | 15.6 |
| Grades 1 to 3 | 26.4 * | 25.4 * | 22.7 * | 17.5 * | 17.8 * | — | 25.6 | 18.9 |
- Kindergarten15.6target 25 · within guideline
- Grades 1 to 318.9target 26–27 · within guideline
Source: MCPS School Profiles class-size extract vs. MCPS published class-size guidelines · Updated: 2024-2025
Special education
Data table
| Series | 2023 | 2024 | 2025 |
|---|---|---|---|
| Inclusion % | 58.2% | 68.7% | 69.2% |
Time in general education (2025): 80%+ of the day 77.6% · 40–79% ≤5% · under 40% 20.4%
Staffing rates are per 100 students with IEPs; staffing is from 2025. Withheld values reflect privacy suppression, not zero.
Source: MCPS School Profiles / unified facts (LRE, staffing, SWD enrollment) · Updated: inclusion 2025, staffing 2025
Staffing
Staff relative to enrollment. The chip compares this school to the typical elementary school at this level.
Special education & multilingual support
Source: MCPS unified facts — staff FTE per student (support services = instructional support staff)
Programs & services
Special, choice, and support programs offered at this school — from magnet and application programs to career pathways and special-education services.
Student Support
Special Education
Source: MCPS Office of Student Affairs program catalog (2025). Find schools by program →
Students
Data table
| Series | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| Enrollment | 516 | 541 | 578 | 533 | 499 | 470 |
By race / ethnicity (2026).
Climate
Attendance and chronic absenteeism (absent 10%+ of days).
Data table
| Series | 2019 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Attendance | 94.8% | ≥ 95.0 | 94.5% | 93.3% | 93.8% | 94.4% |
| Chronic absenteeism | 12.8% | 6.2% | 20.1% | 19.2% | 15% | 16.5% |
Enrollment & capacity outlook
A ten-year probabilistic enrollment forecast for this school, checked against its capacity. Part of the countywide capacity outlook, which explains the method and its track record.
Data table
| School year | Actual | Forecast (p10–p90) | MCPS projection |
|---|---|---|---|
| 2017–18 | 589 | — | — |
| 2018–19 | 559 | — | — |
| 2019–20 | 570 | — | — |
| 2020–21 | 516 | — | — |
| 2021–22 | 541 | — | — |
| 2022–23 | 578 | — | — |
| 2023–24 | 533 | — | — |
| 2024–25 | 499 | — | — |
| 2025–26 | 470 | — | — |
| 2026–27 | — | 455 (415–498) | 464 |
| 2027–28 | — | 456 (401–512) | 463 |
| 2028–29 | — | 451 (390–514) | 456 |
| 2029–30 | — | 444 (389–511) | 445 |
| 2030–31 | — | 445 (390–507) | 444 |
| 2031–32 | — | 448 (386–507) | — |
| 2032–33 | — | 448 (389–509) | — |
| 2033–34 | — | 448 (393–508) | — |
| 2034–35 | — | 448 (392–514) | — |
| 2035–36 | — | 449 (392–510) | — |
⚠ Long-tenured, older homeowners dominate this area; housing turnover could add students beyond this forecast.
Source: mc-development forecast model — base year SY 2025–26; boundaries 2024-2025; development snapshot 2026-06-02 · Updated: 2026-07-31T00:00:00Z
Data: MSDE State Report Card (2019–2025), MCPS official Sept 30, 2025 enrollment count (extends the enrollment trend to 2025-26), MCPS School Profiles & unified facts, U.S. Census ACS 2024, MD SDAT. “≥95” / “≤5” and dropped groups are privacy-suppressed for small counts — withheld, not zero. Independent project, not affiliated with MCPS or MSDE.