A 6-foot guard, Griffin averaged 21.3 points and 7.9 rebounds per game in 2025-26, helping Ontario Christian (34-2) capture state and national titles on the way to third team MaxPreps All-America honors. 

Helping Ontario Christian hold down the national No. 1 through much of the season, Griffin scored 25 or more points in 11 games and recorded 10 double-doubles while shooting 53 percent from the field and 39 percent from behind the arc.

Tatianna Griffin record three double-doubles during Ontario Christian’s postseason run that culminated with California’s Open Division state title. (PHOTO: David Steutel)

Named the MaxPreps National Sophomore of the Year last season and MaxPreps National Freshman of the Year in 2024-25, Griffin will head to Czechia in July to represent the United States in the U17 World Cup.

Griffin will bolster a Mater Dei squad that finished 26-8 last season. 

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