Mueller Charter School in Chula Vista earned its first charter in 1993 under the Chula Vista Elementary School District, making it one of the earliest charter campuses in California following the Charter Schools Act of 1992. The K-12 program enrolls 1,555 students across the I Street main campus and City of Chula Vista satellite locations, with research and independent reading supported by community resources including the South Chula Vista Library. The school holds Leader in Me Lighthouse School designation through the FranklinCovey education framework, embedding the Seven Habits of Highly Effective People into classroom instruction from kindergarten through eighth grade. A dedicated K-2 Literacy Academy addresses early reading intervention through small-group phonics and guided reading rotations, staffed by 69 credentialed teachers and six school counselors who also run the campus's Resiliency Monitoring process. Mueller's Seven Habits character-development model emphasizes personal leadership and physical wellness, values that carry into after-school training at Bonita Martial Arts Academy & Fitness Federation on nearby Sweetwater Road. Satellite campus partnerships with the City of Chula Vista place K-8 students in authentic project-based learning environments including community gardens, civic planning simulations, and Transitional Kindergarten classrooms equipped with Houghton Mifflin Harcourt leveled-literacy libraries calibrated to Lexile ranges from BR to 700L.