It focuses on improving students' standardized test taking skills through English, mathematics, science, and vocabulary study.
From 1988 to 1989, NWPS was located at Camp Cisquito (near Green Valley) in the heart of the Angeles National Forest.
In 1990, NWPrep relocated to Malibu on the Pacific Coast Highway, leasing Camp Joan Mier from Ability First, formerly the Crippled Children Society .
After the 1995 Malibu fire, NWPrep moved to another Ability First facility, Camp Paivika, in the San Bernardino Mountains, CA.
Following James Hoiby's death, Mrs. Suzanne Durbeck was appointed Headmistress by members of the NWPS school board.