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SCHOOL COMMUNITY·ST. TAMMANY PARISH·NCES 220165001295

Slidell Junior High School

333 Pennsylvania Avenue, Slidell, LA 70458 · (985) 641-5914 · St. Tammany Parish
GRADES 07–08MIDDLE13-CITYTITLE IREGULAR SCHOOL724 STUDENTS
B-
allk12 Grade
Scored higher than 45% of Louisiana public middle schools
  • BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Louisiana public middle schools

Enrollment
724
Middle
DISTRICT 524 · STATE 440
Student : Teacher
13.7:1
53 FTE teachers
DISTRICT 12.5:1 · STATE 41.0:1
Free / Reduced Lunch
61%
439 students
DISTRICT 48% · STATE 70%
Community
5
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 735349%
Grade 837151%
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 57% · STATE 65% · US 70%
White
29541%
DISTRICT 61% · STATE 41% · US 43%
Hispanic
7611%
DISTRICT 12% · STATE 12% · US 30%
Black
30242%
DISTRICT 22% · STATE 42% · US 15%
Asian
30%
DISTRICT 1% · STATE 2% · US 6%
Two+
446%
DISTRICT 5% · STATE 4% · US 5%
Native American
41%
DISTRICT 0% · STATE 1% · US 1%
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
Male
38753%
Female
33747%

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Test scores

LEAP 2025 2025-26 . % Mastery+
English Language Arts
42.0%
LA avg 41.8% . +2.0pp since 2022
Math
26.0%
LA avg 34.2% . +3.0pp since 2022

What this means: On the LEAP 2025, Louisiana's statewide test, about 42 of every 100 students at this school read and write at grade level and about 26 of 100 do math at grade level. Across all Louisiana schools, those numbers are about 42 and 34. Reading and writing scores are up about 2 points since 2022, while math scores are up about 3 points.

LEAP 2025 results by year

School yearEnglish Language ArtsMath
2025-2642.0%26.0%
2024-2542.0%23.0%
2023-2446.0%21.0%
2022-2340.0%23.0%
% Mastery+, all students and all tested grades.
Source: LEAP 2025. 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
32.8%
composite math + reading, all grades
Predicted
40.7%
based on LA schools with similar FRL share
Beats by
-7.9pp
below demographic expectation

What this means: About 33% of students here test proficient in math and reading, compared with the roughly 41% typical for Louisiana 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 Louisiana'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 Slidell Junior High School

Slidell Junior High School's state test result (32.8% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Slidell Junior High School this school72460.6%32.8%
Ponchatoula Junior High School
Ponchatoula
72366.8%22.7%
Ruston Junior High School
Ruston
58557.8%29.5%
Donnie Bickham Middle School
Shreveport
80067.6%18.0%
Cope Middle School
Bossier City
75258.5%33.2%
Brusly Middle School
Brusly
53967.3%45.2%
Matched among Louisiana middle 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 Slidell Junior High School ranks

Among middle schools
MeasureThis schoolIn LouisianaIn St. Tammany Parish
State test proficiency
ranked highest first
32.8%#96 of 213#14 of 19
Math proficiency
ranked highest first
26.0%#118 of 210
▲ 10
#15 of 19
▲ 1
Reading proficiency
ranked highest first
42.0%#107 of 213
▼ 8
#15 of 19
no change
3-year test score change
ranked biggest gain first
+2.5pp#102 of 197#5 of 19
Enrollment
ranked largest first
724#26 of 220#3 of 19
Students per teacher
ranked fewest first
13.7:1#106 of 195#12 of 18
Diversity index
ranked most diverse first
64.5%#29 of 195#3 of 18
Free and reduced lunch
ranked highest share first
60.6%#142 of 214#6 of 19
Enrollment change since 2017-18
ranked steepest decline first
-4.9%#144 of 162#15 of 15
Ranked against other public middle 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 2024-25
Enrollment
724
+60 (+9%) vs 2020
-27% since 1990-91, when it was 992
Student : Teacher
13.7:1
was 18.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2572452.813.7:161% (439)
2023-2476953.914.3:165% (501)
2022-2382338.221.6:160% (494)
2020-216643618.4:166% (440)
2017-1876136.820.7:156% (424)
2015-167844716.7:162% (484)
2010-116934615.1:160% (416)
2000-019605716.8:133% (318)
1990-919925318.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Slidell Junior High School.

Since 2017-18: students down 5% (761 to 724); teachers up 43% (36.8 to 52.8).

About Slidell Junior High School

Slidell Junior High School operates as a large middle school in Slidell, Louisiana. A federal count lists 724 students at the school, in grades 7 through 8. An average school in this group (middle schools in Louisiana) has about 440 students.

Slidell Junior High School falls under St. Tammany Parish, which has 55 schools enrolling 35,956 students.

Slidell Junior High School's enrollment has no majority group, and Black students are the largest at 42%. Other students are 41% White, 11% Hispanic, and 6% multiracial. By comparison, St. Tammany Parish residents are about 12% Black. Slidell Junior High School has a diversity index of 65%, compared with 70% for all US public school students.

At Slidell Junior High School, 52.8 full-time-equivalent teachers work with students, a ratio of about 13.7:1. For comparison, middle schools in Louisiana average 41.0:1. Roughly 61% of the student body qualifies for free or reduced-price lunch. That rate is above the 44% average among public schools in St. Tammany Parish.

Measured against Louisiana public middle schools, Slidell Junior High School receives a B-. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

Test results at Slidell Junior High School are 7.9 points below what its free or reduced-price lunch share predicts (32.8% actual, 40.7% predicted).

Within St. Tammany Parish, median household income is about $81,202, 38% of adults hold a bachelor's degree or higher, and about 9% of people live in poverty. The public schools of St. Tammany Parish number 56 and enroll about 36,212.

The closest public school, Florida Avenue Elementary School, is about 0.3 miles from Slidell Junior High School. Around the school, at least 8 other public schools are within five miles. Among the 7 closest schools with test data, this one included, Slidell Junior High School ranks 2nd on average proficiency.

The National Center for Education Statistics classifies the school's location as City: Small, meaning it is inside a principal city with a population under 100,000.

Slidell Junior High School had 664 students in 2020-21 and 724 in 2024-25, a 9% increase. The student-to-teacher ratio went down from 18.4:1 to 13.7:1.

Discussion on this page can cover sports tryouts, band and choir, and theater. Posting is open to anyone connected to the school.

St. Tammany Parish at a glance

View full county profile
Population
272,421
Census ACS
Median income
$81,202
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
56
36,212 students

Quick facts

School name
Slidell Junior High School
District
St. Tammany Parish
Address
333 Pennsylvania Avenue, Slidell, LA 70458
Phone
(985) 641-5914
County
St. Tammany Parish
Level
Middle
Grade range
07–08
Total enrollment
724
Teachers (FTE)
53
Student–teacher ratio
13.7:1
Free and reduced lunch
439 (61%)
Locale
13-City: Small
NCES ID
220165001295
Charter school
No
Virtual school
No

Related schools

Other schools in St. Tammany Parish
Other schools in Slidell
Nearby schools

Frequently asked questions

About Slidell Junior High School
How many students attend Slidell Junior High School?
Slidell Junior High School enrolls approximately 724 students in grades 07-08.
What age range does Slidell Junior High School serve?
Slidell Junior High School serves students from grade 07 through grade 08.
How many teachers does Slidell Junior High School have?
Slidell Junior High School employs 53 FTE teachers, for a student-to-teacher ratio of 13.7:1.
How diverse is Slidell Junior High School?
Slidell Junior High School reports a student body of 41% White, 11% Hispanic, 42% Black, 0% Asian, 6% Two or more.
Is Slidell Junior High School public or private?
Slidell Junior High School is a public K-12 school, overseen by St. Tammany Parish.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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