By state law, 16- and 17-year old high school students may not work after 11 p.m. On evenings before school days or before 5 a.m.After they reach age 16, they cannot work after 11 p.m. On nights before school or before 5 a.m. Ordinance 16 concerns juvenile curfew. Explore findings and purpose, definitions, prohibited acts, exceptions, penalty, and review. Juvenile Court handles matters involving children under 18 years of age. Case types include adoption, child protection, and delinquency. Minors under 16 cannot work more than 40 hours a week or more than 8 hours per 24 hour period. Agricultural workers are exempt from this rule.