In 1975, the faculty consisted of two sisters and seven lay faculty. One of the sisters served as principal of the school; enrollment was 326. The school went through its first accreditation/self-evaluation during he 1975 school year.
In 1977, the first lay principal was appointed. There were no sisters on staff. In 1978, Sisters of St. Joseph of Peace returned, the staff consisted of three sisters, one serving as principal, and seven lay teachers.
Sr.. Joan Mahony served as principal from 1978 until her retirement in 1983, at which time a lay principal was appointed. Mr. Frank Cantu served as principal until 2004 at which time he became the Parish Business Manager.
In 1987, the first kindergarten class was established, with the parish hall serving as a classroom.
1993 saw the completion of the Shea Building, which serves as the permanent classroom for our kindergarten, as well as providing an additional resource classroom.
In January 2003 our Preschool was established in the Parish Center.
From 2004 to 2009 Ms. Kathryn L. Sweeney served as principal and currently serves as out 4th grade teacher.
In August 2009 Dr. Joan Shoff was appointed principal.
St Didacus School went through accreditation in 2008, received a term of three years by the Western Association of Schools and Colleges (W.A.S.C.) and (W.C.E.A.) Western Catholic Education Association.