The California-Nevada-Hawai'i District of Key Club International, also known as the CNH District, was formed in 1947, is Key Club's largest district, and is home to over 35,000 members in over 750 clubs within 80 divisions. The first Key Club was formed at Sacramento High School in 1924, where the members of which were key to maintaining a positive influence at school. Through events such as Fall Rally and District Convention, the CNH District gives Key Clubbers opportunities to develop leadership skills, and builds character, all while serving their communities.