Rice is test optional for 21-22 and 22-23.
From their admissions page:
Testing Policy (2021-2022 and 2022-2023 application cycles only)
Rice will allow first-year and transfer student applicants to undergraduate degree-seeking programs for the 2021-2022 and 2022-2023 application cycles to submit SAT or ACT test scores, if they choose. Students who are unable to submit test scores or prefer not to submit test scores will be given full consideration in the admission selection process.