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SCHOOL COMMUNITY·DEER LAKES SD·NCES 420754000513

Deer Lakes HS

163 East Union Rd, Cheswick, PA 15024 · (724) 265-5320 · Allegheny County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL581 STUDENTS
Enrollment
581
High
DISTRICT 422 · STATE 738
Student : Teacher
13.7:1
42 FTE teachers
DISTRICT 12.1:1 · STATE 12.8:1
Free / Reduced Lunch
35%
202 students
DISTRICT 42% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
152
Grade 10
138
Grade 11
161
Grade 12
130
Student demographics
White
55195%
DISTRICT 93% · STATE 60%
Hispanic
153%
DISTRICT 3% · STATE 16%
Black
41%
DISTRICT 1% · STATE 14%
Two+
92%
DISTRICT 3% · STATE 5%
Native American
10%
DISTRICT 0% · STATE 0%
Pacific Islander
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
31354%
Female
26846%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
68.3%
PA avg 51.1% . -6.1pp since 2023
Math
52.0%
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
54.4%
composite math + reading, all grades
Predicted
62.7%
based on PA schools with similar FRL share
Beats by
-8.3pp
below 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
581
+11 (+2%) vs 2017
Student : Teacher
13.7:1
was 15.1:1
% White
95%
was 96%
% Hispanic
3%
was 2%
% Black
1%
was 1%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About Deer Lakes HS

Deer Lakes HS, an intimate senior high in Cheswick, Pennsylvania, one of the schools within Deer Lakes SD, works with 581 students, covering grades 9 through 12. Compared to the state average of about 738 students per school, that is 21% smaller than typical.

Deer Lakes SD runs 4 schools in total, collectively educating 1,689 students. Deer Lakes HS is one of those campuses.

Looking at the student body, Deer Lakes HS records that nearly all students (95%) are White. Beyond that, the school shows 3% Hispanic. By comparison, Allegheny County as a whole is about 76% White, so the school skews considerably more White than its surroundings.

Looking at the economic backdrop, Staff filings list 42 full-time-equivalent teachers, which works out to roughly 13.7:1 students per teacher. The state averages around 12.8:1, so this campus is higher than the state norm typical. About 35% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Allegheny County runs at roughly 54%, so the school's eligibility rate is lower than the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Deer Lakes HS tracks the demographic baseline. The model predicts 62.7% given the school's FRL share; actual proficiency is 54.4%.

In the area at large, ACS estimates for Allegheny County put median household earnings sit near $78,548, roughly 46% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. Deer Lakes HS is one of 277 public schools in Allegheny County (combined enrollment of about 141,392 students).

Nearest neighbor: East Union Intrmd Sch, around 0.4 miles off. Counting just inside five miles, 6 other public schools cluster around Deer Lakes HS. Among the 8 schools in that immediate cluster with test data (this one included), Deer Lakes HS ranks 6th on composite proficiency, below the local average of 68.6%.

The campus sits in an outer-ring setting.

Looking at the recent track record. Over the past 7-year window, the student count changed only slightly: 570 students in 2018 compared to 581 in 2025. The student-to-teacher ratio pulled in from 15.1:1 in 2018 to 13.7:1 today.

In the discussion threads here, the feed for Deer Lakes HS typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.

Allegheny County at a glance

View full county profile
Population
1,238,177
Census ACS
Median income
$78,548
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
277
141,392 students

Quick facts

School name
Deer Lakes HS
District
Deer Lakes SD
Address
163 East Union Rd, Cheswick, PA 15024
Phone
(724) 265-5320
County
Allegheny County
Level
High
Grade range
09–12
Total enrollment
581
Teachers (FTE)
42
Student–teacher ratio
13.7:1
Free/Reduced lunch
202 (35%)
Locale
21-Suburb: Large
NCES ID
420754000513
Charter school
No
Virtual school
No

Related schools

Other schools in Deer Lakes SD
Other schools in Cheswick
Nearby schools

Frequently asked questions

About Deer Lakes HS
How many students attend Deer Lakes HS?
Deer Lakes HS enrolls approximately 581 students in grades 09-12.
What grades does Deer Lakes HS serve?
Deer Lakes HS serves grades 09-12.
How many teachers does Deer Lakes HS have?
Deer Lakes HS employs 42 FTE teachers, for a student-to-teacher ratio of 13.7:1.
What is the student diversity at Deer Lakes HS?
Student demographics at Deer Lakes HS are roughly 95% White, 3% Hispanic, 1% Black, 2% Two or more.
Who oversees Deer Lakes HS?
Deer Lakes HS is overseen by Deer Lakes SD in Allegheny County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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