Enrollment
361
Elementary
DISTRICT 469 · STATE 443
SCHOOL COMMUNITY·HATBORO-HORSHAM SD·NCES 421161005079
Blair Mill Elementary
109 Bender Road, Hatboro, PA 19040 · (215) 420-5200 · Montgomery County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL361 STUDENTS
Student : Teacher
10.1:1
36 FTE teachers
DISTRICT 11.0:1 · STATE 13.1:1
Free / Reduced Lunch
54%
194 students
DISTRICT 38% · STATE 75%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 60 | 17% |
| Grade 1 | 56 | 16% |
| Grade 2 | 60 | 17% |
| Grade 3 | 63 | 17% |
| Grade 4 | 63 | 17% |
| Grade 5 | 59 | 16% |
This year's kindergarten class (60) is about the same size as its 5th grade class (59).
Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 49% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within Hatboro-Horsham SD. Attendance zones can vary; confirm enrollment with the district.
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
54.9%
PA avg 51.1% . -9.0pp since 2023
Math
58.8%
PA avg 43.0% . +4.6pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 55 of every 100 students at this school read and write at grade level and about 59 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are down about 9 points since 2023, while math scores are up about 5 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 54.9% | 58.8% |
| 2023-24 | 63.9% | 54.2% |
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
60.5%
composite math + reading, all grades
Predicted
54.6%
based on PA schools with similar FRL share
Beats by
+5.9pp
above demographic expectation
What this means: About 60% of students here test proficient in math and reading, compared with the roughly 55% typical for Pennsylvania schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Pennsylvania's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Blair Mill Elementary
Blair Mill Elementary's state test result (60.5% proficient) is higher than 0 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Blair Mill Elementary this school | 361 | 53.7% | 60.5% |
| Rossmoyne Elementary School Mechanicsburg | 417 | 51.3% | 62.1% |
| Kunkel Elementary School Middletown | 369 | 59.9% | 61.2% |
| Yorkshire Elementary School York | 317 | 56.2% | N/A |
| Eshleman Elementary School Millersville | 337 | 46.6% | 73.1% |
| East York Elementary School York | 321 | 53.0% | 68.9% |
Matched among Pennsylvania elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Blair Mill Elementary ranks
Among elementary schools| Measure | This school | In Pennsylvania | In Montgomery County |
|---|---|---|---|
| State test proficiency ranked highest first | 60.5% | #578 of 1,396 | #66 of 91 |
| Math proficiency ranked highest first | 58.8% | #558 of 1,511 ▲ 78 | #69 of 92 ▼ 2 |
| Reading proficiency ranked highest first | 54.9% | #591 of 1,511 ▼ 94 | #68 of 92 ▼ 9 |
| Enrollment ranked largest first | 361 | #1,017 of 1,638 | #77 of 96 |
| Students per teacher ranked fewest first | 10.1:1 | #98 of 1,528 | #4 of 96 |
| Diversity index ranked most diverse first | 57.5% | #382 of 1,531 | #49 of 96 |
| Free and reduced lunch ranked highest share first | 53.7% | #931 of 1,600 | #22 of 95 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.8% | #264 of 1,045 | #18 of 61 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
361
-39 (-10%) vs 2020
-8% since 1990-91, when it was 394
Student : Teacher
10.1:1
was 12.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 361 | 35.6 | 10.1:1 | 54% (194) |
| 2023-24 | 392 | 34.2 | 11.4:1 | 49% (194) |
| 2022-23 | 392 | 32.2 | 12.2:1 | 49% (193) |
| 2020-21 | 400 | 32 | 12.5:1 | 46% (183) |
| 2017-18 | 456 | 31.4 | 14.5:1 | 38% (175) |
| 2015-16 | 447 | 29 | 15.4:1 | 34% (153) |
| 2010-11 | 394 | 24 | 16.4:1 | 16% (63) |
| 2000-01 | 431 | 25 | 17.2:1 | 8% (35) |
| 1990-91 | 394 | 20 | 19.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Blair Mill Elementary.
Since 2017-18: students down 21% (456 to 361); teachers up 14% (31.4 to 35.6).
About Blair Mill Elementary
Families in Hatboro, Pennsylvania, are served by Blair Mill Elementary, a small elementary school. The school enrolls 361 students in kindergarten through 5.
The district, Hatboro-Horsham SD, has 4,179 students enrolled across 6 schools.
Of every 100 students at Blair Mill Elementary, about 62 are White. The rest of enrollment is 17% Hispanic, 8% Black, 7% Asian, and 6% multiracial. Among all residents of Montgomery County, the White share is about 73%. Measured by the diversity index, the student body scores 57%.
For every teacher at Blair Mill Elementary, there are about 10.1 students; the school has 35.6 full-time-equivalent teachers. The average for elementary schools in Pennsylvania is 13.1:1, so this school has fewer students per teacher. There are 194 students eligible for free or reduced-price lunch, 54% of enrollment. On average, public schools in Montgomery County report 40%.
The model predicts 54.6% for a school in Pennsylvania with Blair Mill Elementary's free or reduced-price lunch share. Blair Mill Elementary posts 60.5%.
Five-year Census Bureau estimates for Montgomery County show that the median household earns about $113,915 a year, about 53% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. Montgomery County has 160 public schools with about 115,302 students, including Blair Mill Elementary.
A public school about 0.7 miles away, Keith Valley Middle School, is the closest to Blair Mill Elementary. The count of other public schools within five miles is at least 8. On proficiency, Blair Mill Elementary is ahead of the 52.5% nearby average, ranking 1st of 8.
NCES assigns Blair Mill Elementary the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
By 2024-25, enrollment had dropped to 361, from 400 in 2020-21. By 2024-25, the school had 10.1 students per teacher, compared with 12.5 in 2020-21.
On allk12, people connected to Blair Mill Elementary can post about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.
Montgomery County at a glance
View full county profilePopulation
867,573
Census ACS
Median income
$113,915
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
160
115,302 students
Quick facts
Related schools
Other schools in Hatboro-Horsham SD
- Hatboro-Horsham SHSHigh · 1,336 students
- Keith Valley Middle SchoolMiddle · 966 students
- Simmons Elementary SchoolElementary · 610 students
- Crooked Billet Elementary SchoolElementary · 468 students
- Hallowell Elementary SchoolElementary · 438 students
Other schools in Hatboro
- Upper Moreland Elementary SchoolElementary · 1,627 students
- Upper Moreland Middle SchoolMiddle · 830 students
- Crooked Billet Elementary SchoolElementary · 468 students
Nearby schools
- Keith Valley Middle School0.7 mi · 966
- Crooked Billet Elementary School0.8 mi · 468
- Hallowell Elementary School1.2 mi · 438
- Upper Moreland Elementary School1.5 mi · 1,627
- Upper Moreland Middle School1.8 mi · 830
- Willow Dale Elementary School1.8 mi · 728
Frequently asked questions
About Blair Mill ElementaryHow large is Blair Mill Elementary?
Blair Mill Elementary enrolls approximately 361 students in grades KG-05.
What age range does Blair Mill Elementary serve?
Blair Mill Elementary serves students from grade KG through grade 05.
How many teachers does Blair Mill Elementary have?
Blair Mill Elementary employs 36 FTE teachers, for a student-to-teacher ratio of 10.1:1.
What is the racial breakdown of students at Blair Mill Elementary?
At Blair Mill Elementary, the student body is approximately 62% White, 17% Hispanic, 8% Black, 7% Asian, 6% Two or more.
Is Blair Mill Elementary public or private?
Blair Mill Elementary is a public K-12 school, overseen by Hatboro-Horsham SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.