The UCLA recruited athlete admission process is described at https://dms.senate.ucla.edu/issues/document/?11518.AdHoc.Admission.Committee.Report.FINAL .
Note that this is not necessarily the same as at other UCs. For example, UCB’s process is described at https://academic-senate.berkeley.edu/sites/default/files/stud-ath_adm_policy_for_2022-23-approved-05_2022.pdf .