For the 2026 school year, there are 4 public high schools serving 1,497 students in Richland Parish, LA.
The top-ranked public high schools in Richland Parish, LA are Delhi Charter School, Mangham High School and Rayville High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Richland Parish, LA public high schools have an average math proficiency score of 20% (versus the Louisiana public high school average of 37%), and reading proficiency score of 30% (versus the 44% statewide average). High schools in Richland Parish have an average ranking of 2/10, which is in the bottom 50% of Louisiana public high schools.
Richland Parish, LA public high school have a Graduation Rate of 77%, which is less than the Louisiana average of 84%.
The school with highest graduation rate is Mangham High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Louisiana or national school graduation rate statistics.
Minority enrollment is 57% of the student body (majority Black), which is more than the Louisiana public high school average of 56% (majority Black).
Best Public High Schools in Richland Parish (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Delhi Charter School
Charter School
(Math: 22% | Reading: 37%)
Rank:
Rank:
5/
Bottom 50%10
6940 Hwy 17
Delhi, LA 71232
(318) 878-0433
Delhi, LA 71232
(318) 878-0433
Gr: K-12 | 618 students Student-teacher ratio: 16:1 Minority enrollment: 56%
Rank: #22.
Mangham High School
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
5/
Bottom 50%10
810 Main Street
Mangham, LA 71259
(318) 248-2485
Mangham, LA 71259
(318) 248-2485
Gr: 9-12 | 294 students Student-teacher ratio: 20:1 Minority enrollment: 32%
Rank: #33.
Rayville High School
Vocational School
(Math: 10-14% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
193 Hwy. 3048
Rayville, LA 71269
(318) 728-3296
Rayville, LA 71269
(318) 728-3296
Gr: 9-12 | 341 students Student-teacher ratio: 15:1 Minority enrollment: 67%
Rank: #44.
Delhi High School
(Math: ≤10% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
413 Main Street
Delhi, LA 71232
(318) 878-2235
Delhi, LA 71232
(318) 878-2235
Gr: 9-12 | 139 students Student-teacher ratio: 13:1 Minority enrollment: 96%
Frequently Asked Questions
What are the top-ranked public high schools in Richland Parish, LA?
The top-ranked public high schools in Richland Parish, LA include Delhi Charter School, Mangham High School and Rayville High School.
How many public high schools are located in Richland Parish?
4 public high schools are located in Richland Parish.
What is the racial composition of students in Richland Parish?
Richland Parish public high schools minority enrollment is 57% of the student body (majority Black), which is more than the Louisiana public high schools average of 56% (majority Black).
Which public high schools in Richland Parish are often viewed compared to one another?
Popular comparisons of public high schools in Richland Parish include: Mangham High School vs. Delhi High School, Rayville High School vs. Delhi High School, Delhi High School vs. Mangham High School
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