Division I Champions: Bellarmiine
Boys Division I runner-up: Los Altos
Boys Division I Individual Medalists
Boys Division II champions: St. Francis
Boys Division II runner-up: Archbishop Mitty
Boys Division II Individual Medalists
Boys Division III champions: Greenfield
Boys Division III runner-up: Sacred Heart Cathedral
Boys Division III: Individual Medalists
Boys Division IV champion: King City
Boys Division IV runner-up: Scotts Valley
Boys Division IV: Individual Medalists
Boys Division V Champions: Crystal Springs Uplands
Boys Division V runner-up: York
Boys Division V: Individual Medalists
2018 XC Honor Coach: Kirk Flatow, Monta Vista
Girls Division I Champion: Monta Vista
Girls Division I runner-up: Carlmont
Girls Division I: Individual Medalists
Girls Division II champions: St. Francis
Girls Division II runner-up: Willow Glen
Girls Division II: Individual Medalists
Girls Division champions: St. Ignatius
Girls Division III runner-up: Sacred Heart Cathedral
Girls Division III: Individual Medalists
Girls Division IV champions: Menlo
Girls Division IV runner-up: San Lorenzo Valley
Girls Division IV: Individual Medalists
Girls Division V champion: Castilleja
Girls Division V runner-up: Nueva
Girls Division V: Individual Medalists
2018 CCS XC Honor Coach: Angel Villagomez, Greenfield