In Quebec, sexual education contents were made mandatory for students
from preschool to Secondary V in 2018. Sexual education programs whose effi ciency
has been evaluated should be implemented in the context of informed health promotion
practices. However, few of these programs have actually been evaluated, with
published results, particularly within an elementary school framework. Th is article
reflects on the evaluation of elementary sexual education programs, based on a case
relating to the evaluation of an early sexualization prevention program.