Chaminade 53, San Dimas 49--Christina Zdenek had 20 points and eight rebounds to lead the Eagles (20-5) at Chaminade.
San Marino 56, Santa Paula 54--The Cardinals' comeback stalled when they missed five shots from under the basket in the final seconds at Santa Paula.
Sarah Ruiz scored 21 for Santa Paula (18-6), including five three-point baskets.
La Canada 51, Corona del Mar 34--Kim Gilmour had 17 points and nine rebounds and Laura Guza scored 14 for La Canada (17-10).
Oak Park 69, Louisville 40--Michelle Bregar had 27 points and 13 rebounds in a first-round victory for the Eagles (20-5) at Oak Park.
Oak Park made four three-pointers and outscored Louisville, 26-5, in the second quarter. Holly Stewart had 14 points and Kim Bryan had 11 for Oak Park.
Paraclete 56, Big Bear 55--Jackie Kolesar hit the game-winning shot with three seconds to play for the the Spirits (14-12) at Paraclete. Kolesar scored 26 points.
Buckley 51, Downey Calvary Chapel 50--Baha Maleki hit a free throw with eight seconds left to lift Buckley (13-9) in a first-round game at Downey Calvary Chapel.
Montclair Prep 61, Bell-Jeff 42--Eshaya Murphy had 34 points and 11 rebounds for the host Mounties (23-0).
Granada Hills Hillcrest Christian 53, Grace Brethren 34--Felicia Martino scored 18 points for host Hillcrest Christian.
Santa Maria Valley Christian 42, Skyward Christian 19--Allison Lowe had seven points and Val Uhern had 12 rebounds, but the Saints (7-4) fell in a second-round game at Santa Maria Valley Christian.
Oaks Christian 61, Highland Hall 36--Cherhara Shields had 26 points for Oaks Christian (19-7).