Each year, delegates represent between 65-80 high schools from throughout the state.  A partial listing of schools represented at LYS over the past several years is included below.  The listing is too large to include all schools.

o   Academy of the Sacred Heart

o   Airline High School

o   Benton High School

o   Bogalusa High School

o   Breaux Bridge High school

o   Captain Shreve High School

o   Catholic High School of Baton Rouge

o   Catholic High School of New Iberia

o   Comeaux High School

o   Crowley High School

o   DeLaSalle High School

o   Dutchtown High School

o   East Ascension High School

o   Episcopal School of Acadiana

o   Evangel High School

o   Lafayette High School

o   Louisiana School for M,S,A

o   Mandeville High

o   McDonough #35 Senior High School

o   Mount Carmel Academy

o   Mount Carmel Academy

o   Notre Dame High School

o   Parkview Baptist High School

o   Patterson High School

o   Pope John Paul High School

o   Riverdale High School

o   Saint Scholastica Academy

o   Springhill High School

o   St. Joseph's Academy

o   St. Mary's Dominican

o   St. Paul's School

o   St. Thomas More High School

o   Teurlings Catholic High School

o   Tioga High School

o   University High School

o   Warren Easton

o   Woodlawn High School