What is the southern humboldt joint unified school district? The Southern Humboldt Joint Unified School District crosses two counties, Mendocino and Humboldt, in the heart of the redwoods, extending from remote, mountain areas, to the Eel and Mattole River valleys, to Kings Range and out to the Lost Coast of the Pacific Ocean. The school district encompasses an area of approximately 773 square miles.How big is the humboldt school district? The school district encompasses an area of approximately 773 square miles. Employment in Southern Humboldt and Northern Mendocino counties includes tourism, commercial fishing, timber, agriculture, ranching, the school district, the community hospital, and state agencies.Who is the vip at humboldt? There are teachers that are known for their passion, charisma, and dedication to the profession. Humboldt Elementary's HUSD VIP is one such teacher, Ms. Rachel Wylie. Rachel is a first-grade teacher that has served the students of Humboldt Elementary School for six years.