1
What's the one class at Harris Sch every student should take?
Community prompt from u/allk12. Replies below.
Enrollment
715
Elementary
DISTRICT 532 · STATE 443
SCHOOL COMMUNITY·SOUTHEAST DELCO SD·NCES 422240006501
Harris School
501 Sharon Avenue, Collingdale, PA 19023 · (610) 522-4370 · Delaware County
GRADES KG–08ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL715 STUDENTS
D
allk12 Grade
Scored higher than 12% 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.
- DBeats 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
15.5:1
46 FTE teachers
DISTRICT 13.1:1 · STATE 13.1:1
Free / Reduced Lunch
96%
688 students
DISTRICT 109% · STATE 75%
Community
1
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 | 4 | 1% |
| Grade 1 | 85 | 12% |
| Grade 2 | 79 | 11% |
| Grade 3 | 87 | 12% |
| Grade 4 | 80 | 11% |
| Grade 5 | 78 | 11% |
| Grade 6 | 100 | 14% |
| Grade 7 | 93 | 13% |
| Grade 8 | 109 | 15% |
Student demographics
38%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 38% · 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
Harris School→Academy Park High School
Based on grade levels within Southeast Delco SD. Attendance zones can vary; confirm enrollment with the district.
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
32.1%
PA avg 51.1% . +0.4pp since 2023
Math
15.9%
PA avg 43.0% . +3.1pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 32 of every 100 students at this school read and write at grade level and about 16 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores have held steady since 2023, while math scores are up about 3 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 32.1% | 15.9% |
| 2023-24 | 31.7% | 12.8% |
% 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
24.0%
composite math + reading, all grades
Predicted
36.4%
based on PA schools with similar FRL share
Beats by
-12.3pp
below demographic expectation
What this means: About 24% of students here test proficient in math and reading, compared with the roughly 36% 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 Harris School
Harris School's state test result (24.0% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Harris School this school | 715 | 96.2% | 24.0% |
| Lindley Academy CS at Birney Philadelphia | 739 | 98.2% | 13.7% |
| Mastery CS-Francis D. Pastorius Elementary Philadelphia | 647 | 99.5% | 20.9% |
| Sharon Hill School Sharon Hill | 552 | 96.2% | 26.9% |
| Mastery CS - Mann Campus Philadelphia | 573 | 97.7% | 24.1% |
| KIPP North Philadelphia CS Philadelphia | 683 | 98.2% | 11.2% |
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 Harris School ranks
Among elementary schools| Measure | This school | In Pennsylvania | In Delaware County |
|---|---|---|---|
| State test proficiency ranked highest first | 24.0% | #1,249 of 1,396 | #54 of 59 |
| Math proficiency ranked highest first | 15.9% | #1,341 of 1,511 ▲ 16 | #60 of 69 ▲ 4 |
| Reading proficiency ranked highest first | 32.1% | #1,165 of 1,511 ▲ 80 | #52 of 69 ▲ 3 |
| Enrollment ranked largest first | 715 | #128 of 1,638 | #3 of 75 |
| Students per teacher ranked fewest first | 15.5:1 | #1,331 of 1,528 | #67 of 74 |
| Diversity index ranked most diverse first | 37.9% | #812 of 1,531 | #51 of 74 |
| Free and reduced lunch ranked highest share first | 96.2% | #531 of 1,600 | #20 of 73 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.3% | #765 of 1,045 | #28 of 45 |
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
715
-6 (-1%) vs 2020
+7% since 1990-91, when it was 669
Student : Teacher
15.5:1
was 14.7:1
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 | 715 | 46.2 | 15.5:1 | 96% (688) |
| 2023-24 | 688 | 50.2 | 13.7:1 | 100% (688) |
| 2022-23 | 658 | 51.4 | 12.8:1 | 100% (658) |
| 2020-21 | 721 | 49 | 14.7:1 | 100% (718) |
| 2017-18 | 771 | 51.6 | 14.9:1 | 100% (769) |
| 2015-16 | 756 | 48 | 15.8:1 | 86% (647) |
| 2010-11 | 822 | 51 | 16.1:1 | 73% (598) |
| 2000-01 | 608 | 42 | 14.5:1 | 51% (312) |
| 1990-91 | 669 | 36 | 18.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Harris School.
Since 2017-18: students down 7% (771 to 715); teachers down 10% (51.6 to 46.2).
About Harris School
Harris School is a large elementary school in Collingdale, Pennsylvania, under Southeast Delco SD. The school has 715 students in 2024-25 across kindergarten through 8. By comparison, elementary schools in Pennsylvania enroll about 443 students on average.
Harris School is one school in Southeast Delco SD, a system of 6 schools with 3,855 students.
More than half of the students at Harris School are Black (78%). The next largest groups are 10% White, 6% Hispanic, and 5% multiracial. In Delaware County overall, about 22% of residents are Black. Measured by the diversity index, the student body scores 38%.
There are 46.2 full-time-equivalent teachers at the school, a ratio of 15.5:1. The gap from the 13.1:1 average for elementary schools in Pennsylvania is 2.4 students per teacher. On the income side, 96% of students qualify for free or reduced-price lunch. Compared with the 58% average for public schools in Delaware County, the school's rate is higher.
On the allk12 Grade, Harris School lands at D, ahead of 12% of Pennsylvania public elementary schools.
Given its share of students eligible for free or reduced-price lunch, Harris School would be expected to post about 36.4%. Its actual average proficiency rate across its state test results is 24.0%.
In Delaware County, home to about 579,222 people, median household income comes to about $89,546, the share of adults with a bachelor's degree or higher is 42%, and roughly 7% of residents are in poverty. There are 113 public schools in the county, enrolling about 74,663, Harris School among them.
Straight-line distance to the nearest public school, Sharon Hill School, is about 0.7 miles. Within five miles are at least 8 other public schools. On average proficiency, Harris School is 4th of 5 nearby schools with test data.
Harris School is coded as Suburb: Large in federal locale data.
Enrollment has been fairly stable: 721 in 2020-21 and 715 in 2024-25.
Harris School has a community page on allk12 for topics such as pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.
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 Southeast Delco SD
- Academy Park High SchoolHigh · 1,194 students
- Darby Twp SchoolElementary · 618 students
- Delcroft SchoolElementary · 554 students
- Sharon Hill SchoolElementary · 552 students
- Southeast Delco Kindergarten CenterElementary · 222 students
Other Harris schools
One other US public school is named Harris. Harris School is the largest of the 2.
- Harris SchoolWoonsocket, RI · 371 students
Nearby schools
- Sharon Hill School0.7 mi · 552
- Aldan Elementary School0.7 mi · 238
- Vision Academy CS of Excellence0.7 mi · 235
- Academy Park High School0.8 mi · 1,194
- Southeast Delco Kindergarten Center1.0 mi · 222
- Park Lane Elementary School1.1 mi · 304
Frequently asked questions
About Harris SchoolHow large is Harris School?
Harris School enrolls approximately 715 students in grades KG-08.
Is Harris School an elementary, middle, or high school?
Harris School is an elementary school covering grades KG-08.
How many teachers does Harris School have?
Harris School employs 46 FTE teachers, for a student-to-teacher ratio of 15.5:1.
What is the student diversity at Harris School?
Student demographics at Harris School are roughly 10% White, 6% Hispanic, 78% Black, 1% Asian, 5% Two or more.
Is Harris School public or private?
Harris School is a public K-12 school, overseen by Southeast Delco SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.