Check out the following resources to teach A-G requirements and high school planning to 8th grade students.
The counselors at Santiago K-8 are awesome! They have put together this website about all the high schools in the Santa Ana Unified School District! If you are a student or teacher in SAUSD, start here! https://sites.google.com/view/sausd-santiagotk8-counseling/academics/intermediate-6th-8th-grade/high-school-information?authuser=0
If you or your student is attending Valley High School, consider applying for the Anteater Academy! Completing the program is a sure way to attend a four-year university right after high school. https://www.sausd.us/domain/5657
Check your high school's offerings meet the A-G requirements. https://hs-articulation.ucop.edu/guide/a-g-subject-requirements/a-history-social-science/