Mary Ann has been the Director of Student Services at Arrowhead Union High School for the past eleven years. She oversees services for students in the areas of Nursing, Counseling, School Psychology, Special Education and English Language Learner services. Prior to the Director position she was a special education teacher for eleven years and an elementary education teacher for five years.

Arrowhead Union High School is a high school district with approximately 2,300 students. The high school consists of two campuses, for the most part, 9th and 10th graders are housed at South Campus and 11th and 12th graders are housed at North Campus.