High Schools in Lafourche Parish

The three public high schools in Lafourche Parish—Central Lafourche High School, Thibodaux High School, and South Lafourche High School—serve grades 9 through 12 in a district ranked 16th out of 116 in Louisiana, earning a 4-star rating for overall performance.

South Lafourche High School stands out as the top performer, achieving a 4-star rating and ranking 83rd statewide in 2025-2026, a notable rise from its 3-star rating the prior year. It boasts the lowest student-teacher ratio (18.9:1) and the highest graduation rate (91.1%) among the three, though it also has the highest chronic absenteeism rate (34.1%). In contrast, Central Lafourche High School has seen a steady decline, dropping from 77th to 118th in state ranking over three years, yet it maintains the highest graduation rate (93.3%) and lowest dropout rate (0.7%). Thibodaux High School faces the most challenges, with the lowest graduation rate (88.2%), highest dropout rate (3.5%), and the largest share of students receiving free or reduced lunch (62.94%).

Key academic trends reveal that all three schools struggle with Geometry, scoring at or below the state average, while English I and II are consistent strengths across the district. South Lafourche is the only school to outperform the district average in all six tested subjects, highlighting its broad academic strength. The inverse relationship between socioeconomic need and performance is evident, with Thibodaux serving the highest percentage of economically disadvantaged students and showing the weakest outcomes. For parents, South Lafourche offers the strongest overall academic profile, while Central Lafourche excels in graduation and dropout metrics despite its ranking decline.