As a MACTE-accredited facility in Chula Vista, Montessori Hills Academy operates under California Community Care License #376700758 with a 142-child capacity and American Montessori Society affiliation at 612 Paseo del Rey. The on-site MACTE-accredited Teacher Certification Program trains new Montessori guides who complete internship hours in the school's own classrooms, and speech-language developmental screenings are coordinated with the Speech Tree Therapy Center for children flagged during milestone assessments. A reported 2:1 student-teacher ratio in the preschool and kindergarten divisions gives each child concentrated individual and small-group work time with credentialed guides. The campus garden program has children cultivating squash, cucumbers, lettuce, tomatoes, and carrots as part of the practical-life botany curriculum, building the observational skills that carry into K–6 science at feeder schools including Chula Vista Hills Elementary School. The highest-complexity instructional tier pairs individualized Montessori work plans with MACTE-standard didactic sequences covering sensorial gradation, decimal-system operations, and phonetic reading through the movable alphabet.