Graham defeated London, 2,509-2,260, in CBC girls bowling on Thursday.
For the Falcons, Elizabeth Riley had a 193-215 408, Mackenzie Clark a 165-192 357 and Kailey Dowty a 158-170 328.
Graham won the boys match, 2,637-2,581.
For the Falcons, Peyton Schwierking had a 201-226 427, Daniel Evans a 211-208 419 and Andrew Clark a 189-215 404.
On Friday, Jonathan Alder beat Graham, 2,719-2,453, in CBC boys bowling.
Graham won the girls match, 2,353-2,219.
For the Falcons, Maddi Murphy had a 177-204 381, Riley a 196-175 371 and Dowty a 157-213 370.
WL-S swept
Greenon beat WL-S, 2,593-2,455, in OHC boys bowling on Thursday.
For the Tigers, Kaden Francis had a 190-197 387, Devon Jones a 237-148 385 and Luke Thomas 184-189 373.
Greenon won the girls match, 2,362-1,846.