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SCHOOL COMMUNITY·UPPER DARBY SD·NCES 422432000042

Primos El Sch

861 Bunting Ln, Primos, PA 19018 · (610) 622-6755 · Delaware County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL499 STUDENTS
Enrollment
499
Elementary
DISTRICT 527 · STATE 443
Student : Teacher
11.3:1
44 FTE teachers
DISTRICT 12.0:1 · STATE 13.1:1
Free / Reduced Lunch
93%
464 students
DISTRICT 102% · 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
Kindergarten
88
Grade 1
83
Grade 2
97
Grade 3
90
Grade 4
80
Grade 5
61
Student demographics
White
11623%
DISTRICT 14% · STATE 60%
Hispanic
459%
DISTRICT 19% · STATE 16%
Black
23347%
DISTRICT 46% · STATE 14%
Asian
469%
DISTRICT 15% · STATE 5%
Two+
5812%
DISTRICT 6% · STATE 5%
Native American
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
26754%
Female
23246%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
33.7%
PA avg 51.1% . -0.4pp since 2023
Math
36.6%
PA avg 43.0% . +3.8pp since 2023
Source: PSSA + Keystone. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
38.3%
composite math + reading, all grades
Predicted
37.7%
based on PA schools with similar FRL share
Beats by
+0.6pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
499
+30 (+6%) vs 2017
Student : Teacher
11.3:1
was 12.6:1
% White
23%
was 39%
% Hispanic
9%
was 4%
% Black
47%
was 36%
% Asian
9%
was 13%
Source: NCES Common Core of Data

About Primos El Sch

As an average-sized primary school in Primos, Pennsylvania, Primos El Sch educates 499 students from grades K through 5, part of Upper Darby SD.

Across the 13 schools in Upper Darby SD (12,173 students total), Primos El Sch accounts for its share of the district's footprint.

On the student-mix side, Primos El Sch shows that the largest single group is Black at 47%, but no single group is in the majority. Other groups include 23% White, 12% multiracial, 9% Asian, 9% Hispanic. By comparison, Delaware County as a whole is about 22% Black, so the school skews noticeably more Black than its surroundings.

Looking at school resources, Primos El Sch lists 44 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.3:1. That figure is tighter than the state norm's 13.1:1 average. Around 93% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. By comparison, Delaware County runs at roughly 58%, so the school's eligibility rate is above the surrounding baseline.

After controlling for student poverty, Primos El Sch tracks the demographic baseline. The model predicts 37.7% given the school's FRL share; actual proficiency is 38.3%.

In the surrounding community, census data for Delaware County shows median household earnings sit near $89,546, about 42% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Across Delaware County's 113 public schools (combined enrollment of about 74,663 students), Primos El Sch is one campus in the mix.

The closest other public school is Westbrook Park El Sch, roughly 0.6 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Primos El Sch at 1st of 6; the average score across the group is 30.2%.

The school occupies a bedroom-community site.

Five-year trend. Primos El Sch's enrollment has climbed 6% since 2018, when it stood at 469 (now 499). White enrollment moved from 39% to 23% across the same window. The student-to-teacher ratio fell from 12.6:1 in 2018 to 11.3:1 today.

On this page, posts here usually surface around enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.

Delaware County at a glance

View full county profile
Population
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

School name
Primos El Sch
District
Upper Darby SD
Address
861 Bunting Ln, Primos, PA 19018
Phone
(610) 622-6755
County
Delaware County
Level
Elementary
Grade range
KG–05
Total enrollment
499
Teachers (FTE)
44
Student–teacher ratio
11.3:1
Free/Reduced lunch
464 (93%)
Locale
21-Suburb: Large
NCES ID
422432000042
Charter school
No
Virtual school
No

Related schools

Other schools in Upper Darby SD
Nearby schools

Frequently asked questions

About Primos El Sch
How many students attend Primos El Sch?
Primos El Sch enrolls approximately 499 students in grades KG-05.
What age range does Primos El Sch serve?
Primos El Sch serves students from grade KG through grade 05.
How many students per teacher at Primos El Sch?
Approximately 11.3:1 students per teacher at Primos El Sch.
What is the student diversity at Primos El Sch?
Student demographics at Primos El Sch are roughly 23% White, 9% Hispanic, 47% Black, 9% Asian, 12% Two or more.
What district is Primos El Sch in?
Primos El Sch is part of Upper Darby SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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