Incremental improvements.
The California Golden Bears saw an improvement in their graduation rates in both of their major sports.
Football rose from 51% from the 2004-07 cohort to 54% in the latest 2005-2008 cohort. Basketball also made another solid jump from 46% from last year's GSR to 55% this season.
These stats are for freshmen from 2005 to 2008, so this will almost exclusively cover recruits from the Jeff Tedford era who graduated by the end of 2013 (Sonny Dykes's first year at Cal). It's unlikely we'll get a real barometer on the impact Dykes has made academically via graduation rates for at least another few years.