Enrollment
261
Elementary
DISTRICT 341 · STATE 443
SCHOOL COMMUNITY·MIFFLIN COUNTY SD·NCES 421529006261
East Derry Elementary School
2316 Back Maitland Rd, Lewistown, PA 17044 · (717) 543-5615 · Mifflin County
GRADES KG–03ELEMENTARY41-RURALTITLE IREGULAR SCHOOL261 STUDENTS
C
allk12 Grade
Scored higher than 32% of Pennsylvania public elementary schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Pennsylvania public elementary schools
Student : Teacher
11.2:1
23 FTE teachers
DISTRICT 12.3:1 · STATE 13.1:1
Free / Reduced Lunch
107%
279 students
DISTRICT 78% · 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 | 23% |
| Grade 1 | 56 | 21% |
| Grade 2 | 71 | 27% |
| Grade 3 | 74 | 28% |
Student demographics
5%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 19% · 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
QUIET COMMUNITY
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START A DISCUSSIONTest scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
33.8%
PA avg 51.1% . -22.5pp since 2023
Math
50.0%
PA avg 43.0% . +9.7pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 34 of every 100 students at this school read and write at grade level and about 50 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 23 points since 2023, while math scores are up about 10 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 33.8% | 50.0% |
| 2023-24 | 56.3% | 40.3% |
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. All students, all grades. See all years and grades →
Where East Derry Elementary School ranks
Among elementary schools| Measure | This school | In Pennsylvania | In Mifflin County |
|---|---|---|---|
| Math proficiency ranked highest first | 50.0% | #796 of 1,511 ▲ 167 | #4 of 6 ▼ 1 |
| Reading proficiency ranked highest first | 33.8% | #1,136 of 1,511 ▼ 394 | #4 of 6 ▼ 2 |
| Enrollment ranked largest first | 261 | #1,371 of 1,638 | #5 of 7 |
| Students per teacher ranked fewest first | 11.2:1 | #245 of 1,528 | #4 of 7 |
| Diversity index ranked most diverse first | 5.3% | #1,508 of 1,531 | #7 of 7 |
| Free and reduced lunch ranked highest share first | 107% | #78 of 1,600 | #1 of 7 |
| Enrollment change since 2017-18 ranked fastest growth first | +2.8% | #359 of 450 | N/A |
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
261
+3 (+1%) vs 2020
0% since 1990-91, when it was 260
Student : Teacher
11.2:1
was 11.2:1
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 | 261 | 23.3 | 11.2:1 | N/A |
| 2023-24 | 279 | 24.2 | 11.6:1 | 100% (279) |
| 2022-23 | 276 | 24 | 11.5:1 | 100% (276) |
| 2020-21 | 258 | 23 | 11.2:1 | 52% (135) |
| 2017-18 | 254 | 23.2 | 11.0:1 | 60% (153) |
| 2015-16 | 316 | 24 | 13.2:1 | 59% (187) |
| 2010-11 | 274 | 17 | 16.1:1 | 52% (142) |
| 2000-01 | 284 | 18 | 15.8:1 | 30% (85) |
| 1990-91 | 260 | 14 | 18.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for East Derry Elementary School.
Since 2017-18: students up 3% (254 to 261); teachers unchanged (23.2 to 23.3).
About East Derry Elementary School
East Derry Elementary School is an elementary school located in Lewistown, Pennsylvania, in Mifflin County. The latest federal count shows 261 students in kindergarten through 3. Against the 443-student average for elementary schools in Pennsylvania, enrollment here is 41% lower.
East Derry Elementary School falls under Mifflin County SD, which has 9 schools enrolling 4,491 students.
At East Derry Elementary School, White students make up 97% of the student body. That is close to the 94% White share among all Mifflin County residents. By the diversity index, East Derry Elementary School comes in at 5%.
Teachers at East Derry Elementary School total 23.3 full-time equivalents, and the ratio is 11.2:1. For comparison, elementary schools in Pennsylvania average 13.1:1.
The allk12 Grade for East Derry Elementary School is C. Compared with Pennsylvania public elementary schools, the school scored higher than 32% on a mix of test scores, poverty-adjusted results, and recent trend.
Federal survey data for Mifflin County show that median household income is about $63,953, roughly 15% of adults have a four-year degree or more, and the share of residents below the poverty line is 11%. East Derry Elementary School is among the 11 public schools in Mifflin County.
The closest other public school is Mifflin County Academy of Science and Technology, about 3.4 miles away. Around the school, 6 other public schools are within five miles.
The NCES locale for East Derry Elementary School is Rural: Fringe, which covers schools in rural territory close to an urban area.
There was little change in enrollment from 2020-21 (258) to 2024-25 (261).
The discussion area below is open to posts about school events, clubs, and volunteer needs. Questions from prospective families are welcome too.
Mifflin County at a glance
View full county profilePopulation
46,041
Census ACS
Median income
$63,953
Household, ACS
Bachelor's+
15%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
11
4,774 students
Quick facts
Related schools
Other schools in Mifflin County SD
- Mifflin Co High SchoolHigh · 1,032 students
- Mifflin Co Middle SchoolMiddle · 733 students
- Mifflin Co Junior High SchoolHigh · 678 students
- Lewistown Intrmd SchoolElementary · 516 students
- Lewistown Elementary SchoolElementary · 457 students
- Indian Valley Elementary SchoolElementary · 348 students
Other schools in Lewistown
- Mifflin Co High SchoolHigh · 1,032 students
- Mifflin Co Middle SchoolMiddle · 733 students
- Mifflin Co Junior High SchoolHigh · 678 students
- Lewistown Intrmd SchoolElementary · 516 students
- Lewistown Elementary SchoolElementary · 457 students
- Mifflin County Academy of Science and TechnologyHigh · 5 students
Nearby schools
- Mifflin County Academy of Science and Technology3.4 mi · 5
- Mifflin Co Junior High School3.6 mi · 678
- Mifflin Co High School3.7 mi · 1,032
- Lewistown Elementary School4.0 mi · 457
- Mifflin Co Middle School4.1 mi · 733
- Lewistown Intrmd School4.3 mi · 516
Frequently asked questions
About East Derry Elementary SchoolHow many students attend East Derry Elementary School?
East Derry Elementary School enrolls approximately 261 students in grades KG-03.
What grades does East Derry Elementary School serve?
East Derry Elementary School serves grades KG-03.
What is the student-teacher ratio at East Derry Elementary School?
The student-to-teacher ratio at East Derry Elementary School is approximately 11.2:1 (23 FTE teachers).
What is the racial breakdown of students at East Derry Elementary School?
At East Derry Elementary School, the student body is approximately 97% White, 1% Hispanic, 1% Black, 1% Asian.
Who oversees East Derry Elementary School?
East Derry Elementary School is overseen by Mifflin County SD in Mifflin County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.