Enrollment
671
Maryland · 2024-25 NCES data
Elementary school (grades K-5) · Owings Mills, MD
Lyons Mill Elementary
Federal NCES profile for Lyons Mill Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataElementary school (grades K-5)NCES 240012001730
👥 S:T ratio 31
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lyons Mill Elementary earns 33/100 on the Resource Investment Index, with class sizes larger than 83% of Maryland schools.
- #6 of 7
- public schools in Owings Mills · Resource Index
- 33
- Resource Index · Typical
- 17.2:1
- large classes for Maryland
- 46.0%
- free-lunch eligible
Lyons Mill Elementary has class sizes larger than 83% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Lyons Mill Elementary ranks #6 of 7 public schools in Owings Mills, MD.
School address
District: Baltimore County Public Schools · Maryland
NCES ID 240012001730 Verify on NCES CCD record →
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 14.5:1 Maryland avg
+19% vs state
Free-lunch eligible
46.0%
vs 49.0% Maryland avg
-6% vs state
Student-teacher ratio in context
How Lyons Mill Elementary compares with Maryland and U.S. medians
What stands out at Lyons Mill Elementary
Lyons Mill Elementary is a mid-sized elementary school in Owings Mills, Maryland, enrolling 671 students.
Class loads run somewhat heavier than typical: 17.2:1 puts it in the larger third of Maryland schools by student-teacher ratio.
Its free-meal eligibility rate of 46.0% lands close to the Maryland typical range, neither a high- nor low-need campus by this measure.
Enrollment of 671 puts it in the larger third of Maryland schools by headcount.
Its Resource Investment Index lands in the lower third of 1,382 scored Maryland schools.
Among 303 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #257, in the lower tier once campus size and economic need are matched.
Its student body is predominantly African American (83% of enrollment) (diversity index 30/100).
Counselor access is stretched at roughly 671 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Baltimore County Public Schools also operates Dundalk High (2,087 students) and Perry Hall High (2,012 students) alongside Lyons Mill 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 Lyons Mill Elementary compares
Lyons Mill 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 | 17.2:1 | ▲ 19% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 46.0% | ▼ 6% | 49.0% | 51.7% |
| Enrollment | 671 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.2:1
Leaner classes than 29% of US schools, heavier class loads than most.
671
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.0%
free-lunch eligible
- 6% below the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.2:1
students per teacher
- 19% above state mean
Top 83% in Maryland - lower ratio than 17% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
27.6%
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
$16,538
per pupil, district-wide
- below Maryland avg of $20,446
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 671 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 22 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 3.7 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 82.9%
Asian 7.3%
Two or More 4.2%
Hispanic or Latino 4.0%
White 1.0%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 82.9% of enrollment.
Student-body diversity index 30.4/100
Simpson diversity index - at 30.4, Lyons Mill Elementary is less mixed than the Maryland school average of 52.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Baltimore County Public Schools, which includes Lyons Mill Elementary.
$16,538
Per student
-19%
vs Maryland
Avg $20,446
0%
vs U.S.
Avg $16,593
Revenue mix
Local 47.3%
State 40.7%
Federal 12.0%
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 Lyons Mill Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dundalk High | Larger | Higher economic need | Lower S:T ratio |
| Perry Hall High | Larger | Similar economic need | Similar S:T ratio |
| Woodlawn High | Larger | Higher economic need | Similar S:T ratio |
| Kenwood High | Larger | Higher economic need | Similar S:T ratio |
| Dulaney High | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Lyons Mill Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,087
- Students per teacher
- 15.5:1
- Resource Index
- 48/100
- Enrollment
- 2,012
- Students per teacher
- 16.6:1
- Resource Index
- 39/100
- Enrollment
- 1,922
- Students per teacher
- 17:1
- Resource Index
- 46/100
- Enrollment
- 1,900
- Students per teacher
- 16.5:1
- Resource Index
- 45/100
- Enrollment
- 1,889
- Students per teacher
- 17.5:1
- Resource Index
- 43/100
Similar elementary 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 (~671 students)
Similar student-teacher ratio (~17.2:1)
Next steps
Verify locally before acting on Lyons Mill Elementary's federal record.
- Compare Lyons Mill Elementary against another school. Compare schools
- Baltimore 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 Lyons Mill Elementary
How many students attend Lyons Mill Elementary?
Lyons Mill Elementary has 671 students enrolled. It is an elementary school in Owings Mills, MD.
What is the student-teacher ratio at Lyons Mill Elementary?
The student-teacher ratio at Lyons Mill Elementary is 17.2:1, which is 19% higher than the Maryland average of 14.5:1 and 10% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lyons Mill Elementary?
46.0% of students at Lyons Mill Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Lyons Mill Elementary?
The largest demographic group at Lyons Mill Elementary is African American at 82.9% of enrollment, in Owings Mills, MD.
What is the Resource Investment Index for Lyons Mill Elementary?
Lyons Mill Elementary has a Resource Investment Index of 33/100 (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).
How does Lyons Mill Elementary rank among public schools in Owings Mills?
By Resource Investment Index, Lyons Mill Elementary ranks #6 of 7 public schools in Owings Mills, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Owings Mills on the city page.
Is Lyons Mill Elementary a good school?
Lyons Mill Elementary earns 33/100 on the Resource Investment Index, with class sizes larger than 83% 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 Baltimore County Public Schools?
Besides Lyons Mill Elementary, Baltimore County Public Schools also operates Dundalk High (2,087 students), Perry Hall High (2,012 students), and Woodlawn High (1,922 students). See the Baltimore 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.