Communities in its attendance boundary include Tohatchi, Brimhall Nizohini, Nakaibito, and Twin Lakes.
By 1975, the enrollment was at 750, and the school district was forming plans to build a new school; the district planned to spend $6,696,000, with a grant paid with federal funds covering just under $6,700,000 of that.
[4] Osmond Charles "Chick" Fero,[5] in fall 1983 became the principal of Tohatchi High.
[7] In 1985 he resigned after he was accused of murdering superintendent Paul Hanson, and Carl Montoya took his position.
[9] In the 1976–1977 school year the school started a class on making rugs in the Navajo style, which was part of a program to add elements of Navajo culture to the coursework.