Enrollment for Rancho High School is at 8:00 am by scheduled appointment only. No student under 18 years old will be enrolled without a parent or guardian present. Enrollment takes a minimum of 1 hour for the parent and 2-3 hours for the student. A transcript of all high school courses taken, immunization records and 2 proofs of Arcadia residency, and/or a release from your home district are required. After completing enrollment paperwork and a brief orientation, parents have the option to leave. The students will be required to complete a reading, writing, math, and career assessment. Students will also receive textbooks and assignments.