Enrollment
238
Elementary
DISTRICT 288 · STATE 443
SCHOOL COMMUNITY·WILLIAM PENN SD·NCES 422639006509
Aldan Elementary School
1 North Woodlawn Ave, Aldan, PA 19018 · (610) 626-3410 · Delaware County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL238 STUDENTS
C-
allk12 Grade
Scored higher than 15% of Pennsylvania public elementary schools
- DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·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
14.0:1
17 FTE teachers
DISTRICT 13.1:1 · STATE 13.1:1
Free / Reduced Lunch
98%
234 students
DISTRICT 102% · 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 | 35 | 15% |
| Grade 1 | 36 | 15% |
| Grade 2 | 34 | 14% |
| Grade 3 | 33 | 14% |
| Grade 4 | 25 | 11% |
| Grade 5 | 26 | 11% |
| Grade 6 | 49 | 21% |
This year's kindergarten class (35) is 29% smaller than its 6th grade class (49).
Student demographics
45%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 29% · 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
Aldan Elementary School→Penn Wood Middle School
Based on grade levels within William Penn SD. Attendance zones can vary; confirm enrollment with the district.
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
29.7%
PA avg 51.1% . +7.6pp since 2023
Math
22.5%
PA avg 43.0% . +5.0pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 30 of every 100 students at this school read and write at grade level and about 23 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are up about 8 points since 2023, while math scores are up about 5 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 29.7% | 22.5% |
| 2023-24 | 22.1% | 17.5% |
% 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
25.6%
composite math + reading, all grades
Predicted
35.5%
based on PA schools with similar FRL share
Beats by
-9.9pp
below demographic expectation
What this means: About 26% of students here test proficient in math and reading, compared with the roughly 35% 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 Aldan Elementary School
Aldan Elementary School's state test result (25.6% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Aldan Elementary School this school | 238 | 98.3% | 25.6% |
| Barrett Elementary School Homestead | 225 | 91.6% | 23.0% |
| Propel CS-McKeesport McKeesport | 302 | 99.0% | 31.6% |
| Pittsburgh Grandview K-5 Pittsburgh | 195 | 95.4% | 23.3% |
| Propel CS-Pitcairn Pittsburgh | 182 | 98.4% | 20.9% |
| Samuel Gompers School Philadelphia | 238 | 100.0% | 19.7% |
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 Aldan Elementary School ranks
Among elementary schools| Measure | This school | In Pennsylvania | In Delaware County |
|---|---|---|---|
| State test proficiency ranked highest first | 25.6% | #1,233 of 1,396 | #52 of 59 |
| Math proficiency ranked highest first | 22.5% | #1,258 of 1,511 ▲ 41 | #53 of 69 ▲ 5 |
| Reading proficiency ranked highest first | 29.7% | #1,206 of 1,511 ▲ 171 | #57 of 69 ▲ 4 |
| Enrollment ranked largest first | 238 | #1,442 of 1,638 | #70 of 75 |
| Students per teacher ranked fewest first | 14.0:1 | #1,068 of 1,528 | #55 of 74 |
| Diversity index ranked most diverse first | 45.2% | #643 of 1,531 | #36 of 74 |
| Free and reduced lunch ranked highest share first | 98.3% | #436 of 1,600 | #19 of 73 |
| Enrollment change since 2017-18 ranked fastest growth first | +0.4% | #438 of 450 | #24 of 25 |
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
238
+21 (+10%) vs 2020
-31% since 1990-91, when it was 346
Student : Teacher
14.0:1
was 10.8:1
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 | 238 | 17 | 14.0:1 | 98% (234) |
| 2023-24 | 234 | 18 | 13.0:1 | 100% (234) |
| 2022-23 | 238 | 20 | 11.9:1 | 100% (238) |
| 2020-21 | 217 | 20 | 10.8:1 | 99% (214) |
| 2017-18 | 237 | 19.7 | 12.0:1 | 100% (237) |
| 2015-16 | 241 | 18 | 13.4:1 | 66% (158) |
| 2010-11 | 312 | 19 | 16.4:1 | 71% (223) |
| 2000-01 | 333 | 20 | 16.6:1 | 37% (123) |
| 1990-91 | 346 | 17 | 20.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Aldan Elementary School.
Since 2017-18: students unchanged (237 to 238); teachers down 14% (19.7 to 17).
About Aldan Elementary School
Aldan Elementary School, located in Aldan, Pennsylvania, is a small elementary school. Enrollment totals 238 students across kindergarten through 6. Across elementary schools in Pennsylvania, the average enrollment is about 443.
William Penn SD counts 11 schools and 4,499 students, including Aldan Elementary School.
More than half of enrollment at Aldan Elementary School is Black: 73%. The remaining shares are 11% White, 6% Hispanic, 4% multiracial, and 3% Asian. Delaware County as a whole is about 22% Black, so the school's share is higher. On the diversity index, which measures the chance that two random students are from different groups, Aldan Elementary School scores 45%.
The school lists 17 full-time-equivalent teachers and a student-to-teacher ratio of 14.0:1. Statewide, elementary schools in Pennsylvania average 13.1:1. Free or reduced-price lunch covers 98% of the student body. By comparison, the figure for public schools in Delaware County is 58%.
Among Pennsylvania public elementary schools, Aldan Elementary School outscored 15%, which works out to a C- on the allk12 Grade.
When test results are adjusted for free or reduced-price lunch eligibility, Aldan Elementary School is 9.9 points below its prediction. Actual: 25.6%. Predicted: 35.5%.
Census data for Delaware County show the median household earns about $89,546 a year, 42% of adults hold a bachelor's degree or higher, and about 7% of people live in poverty. Counting Aldan Elementary School, Delaware County has 113 public schools.
Straight-line distance to the nearest public school, Harris School, is about 0.7 miles. Other public schools within five miles: at least 8. On average proficiency, Aldan Elementary School is 4th of 6 nearby schools with test data.
The National Center for Education Statistics classifies the school's location as Suburb: Large, meaning it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The school grew from 217 students in 2020-21 to 238 in 2024-25. Staffing shifted too: the ratio moved from 10.8:1 to 14.0:1.
On allk12, people connected to Aldan Elementary School can post about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.
Delaware County at a glance
View full county profilePopulation
579,222
Census ACS
Median income
$89,546
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
113
74,663 students
Quick facts
Related schools
Other schools in William Penn SD
- Penn Wood High SchoolHigh · 1,148 students
- Penn Wood Middle SchoolMiddle · 667 students
- Ardmore Avenue Elementary SchoolElementary · 535 students
- Penn Wood 9th Grade AcademyHigh · 379 students
- Park Lane Elementary SchoolElementary · 304 students
- W B Evans Elementary SchoolElementary · 304 students
Nearby schools
- Harris School0.7 mi · 715
- Primos Elementary School0.8 mi · 499
- Southeast Delco Kindergarten Center0.9 mi · 222
- Charles Kelly Elementary School1.0 mi · 270
- Darby Twp School1.0 mi · 618
- Westbrook Park Elementary School1.2 mi · 468
Frequently asked questions
About Aldan Elementary SchoolHow large is Aldan Elementary School?
Aldan Elementary School enrolls approximately 238 students in grades KG-06.
What age range does Aldan Elementary School serve?
Aldan Elementary School serves students from grade KG through grade 06.
How many teachers does Aldan Elementary School have?
Aldan Elementary School employs 17 FTE teachers, for a student-to-teacher ratio of 14.0:1.
What is the student diversity at Aldan Elementary School?
Student demographics at Aldan Elementary School are roughly 11% White, 6% Hispanic, 73% Black, 3% Asian, 4% Two or more.
Who oversees Aldan Elementary School?
Aldan Elementary School is overseen by William Penn SD in Delaware County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.