Halford Big Sisters

The HYWLP Big Sisters come from the sophomore, junior, and senior classes at Castilleja. Castilleja has a rigorous college preparatory curriculum and 100% of students are admitted to college upon graduation. Big Sisters are selected based on their strong academic performance, experience with peer-to-peer teaching, and commitment to community action. 

​Halford Little Sisters

The HYWLP Little Sisters are current 5th graders from various schools in the Bay Area.