Southside High School

High school·Grades 9-12 Youngsville, Louisiana·70592
Score
89.6/100
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#24
Among 226 Louisiana high schools
#3
In Lafayette Parish
Top 11%
In Louisiana

Score 89.6/100: better than 89% of Louisiana high schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% Mastery or above on state tests in Louisiana, all students. Colored bars are green when the school is at or above the average for similar Louisiana schools.

English language arts
64%
Similar Louisiana schools ≈ 39%, better than 91% of them
Math
55%
Similar Louisiana schools ≈ 29%, better than 92% of them
Science
33%
Similar Louisiana schools ≈ 23%, better than 76% of them
All Louisiana schools (ELA / math)
41% / 33%
State average across every school type, 2025-26
All 8 published results by grade and test

As published by Louisiana Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrades 3-8LEAP 2025: 2026 % Mastery+ Grades 3-8hidden (small group)—
English language artsAll gradesLEAP 2025: 2026 % Mastery+ Grades 3-8 & English I-II64—
MathGrades 3-8LEAP 2025: 2026 % Mastery+ Grades 3-8hidden (small group)—
MathAll gradesLEAP 2025: 2026 % Mastery+ Grades 3-8 & Algebra I & Geometry55—
ScienceGrades 3-8LEAP 2025: 2026 % Mastery+ Grades 3-8hidden (small group)—
ScienceAll gradesLEAP 2025: 2026 % Mastery+ Grades 3-8 & Biology33—
Social studiesGrades 3-8LEAP 2025: 2026 % Mastery+ Grades 3-8hidden (small group)—
Social studiesAll gradesLEAP 2025: 2026 % Mastery+ Grades 3-8 & US History & Civics39—

School profile

Grades
9-12
Students
1,891
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,891
Typical high school: 625
Free or reduced-price lunch
34%
Typical high school: 61%

District and location

School district
City
Lafayette Parish

Contact

Address
312 Almonaster Rd
Youngsville, LA 70592

"Typical" is the middle (median) high school in Louisiana. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Southside High School at a glance

Southside High School is a public high school in Youngsville, Louisiana, serving grades 9-12. It is part of the Lafayette Parish school district. It has about 1,891 students (a typical Louisiana high school has 625). About 34% of students are eligible for free or reduced-price lunch, compared with 61% at a typical Louisiana high school, which is useful context when reading test results.

In 2025-26 state tests, 64% in English language arts (similar schools: 39%) and 55% in math (similar schools: 29%) reached the state standard (% Mastery or above). On our score, which compares it only with other Louisiana high schools, it scores 89.6 out of 100: better than 89% of them, ranking #24 of 226. Its English language arts result rose by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.