Updated 10 a.m. Tuesday.
Principal Paul Robinson is planning to resign at the end of this school year.
Robinson announced the decision to his staff on Monday.
The principal, who has led RB High since 2006, said the move is a "good thing," though he declined to elaborate to Patch on Tuesday about the exact reasons for the choice at this time.
Robinson had been with the almost continuously since 1984, beginning as an English teacher at Mount Carmel High School in Rancho Peñasquitos. He left to be an assistant principal at in 1996, and moved from there in 1999 to be assistant principal at Rancho Bernardo High School.