Marana Distance Learning shares a facility with MCAT High School:

Directions to MCAT High School
13650 N. McDuff Rd.  

From I-10: Exit I-10 at Marana Road. Turn left on to the frontage road. Turn right on McDuff Rd. MCAT HS is on the left , enter the parking lot through the gate

From Grier  Rd. & Frontage:  Head West on Grier Rd, past Estes Elementary and the Marana school district administrative center. Turn right on McDuff Rd. MCAT HS is on the right, enter the parking lot through the gate.