Durham U15s sit second in the County Cup Group 1B after a 62-run defeat of Cumbria.
Durham were all out for 171 in 49 overs, led by Patrick Cooper (42), Jonathan Pears (33), Jake Ewart (25no), Sol Bell (23) and Jonathan Bushnell (18).
Sam North struck twice as Cumbria replied with 109-4.
Durham U13s were beaten by Cheshire after being bowled out for 113.
Isaac Unsworth (28), Logan Barton (20), Barton William-Powlett (17) and Adrahya Tiwari (16) top-scored for Durham, then, despite two Mitchell Killeen wickets, Cheshire eased home by seven wickets.
Durham U14s succumbed by 33 runs to Cleveland Schools, who made 198 all out in 44.5 overs.
Sam Irvine hit 57 for Cleveland, but two wickets apiece from Drew Charlton, Leo Giacomelli and Oliver Barrett gave Durham hope.
Lewis Williams (30), Finn Usher (28) and Barrett (27) led the fight for Durham, but they fell short on 165-7 in 45 overs.