 Their rival is Lake Worth High School (Texas).During the 2018-2019 school year, Castleberry High School enrolled 992 total students in grade 9 (34.7%), grade 10 (26.0%), grade 11 (22.8%), and grade 12 (16.5%).Ethnicities represented include Hispanic (82.8%), white (14.6%), African American (1.5%), American Indian (0.2%), and Asian and Pacific Islander (0.0%).