Vancouver School Board: (VSB) Sec schools ... maps with school field locations:
http://intered.vsb.bc.ca/OurSchools/OurSchoolsSecondarySchools/LocationMap/default.htm

Vancouver School Board... elementary schools

http://www.vsb.bc.ca/schools?mapfilter=26

Vancouver Parks Board: (VPB) maps with field locations:
http://www.city.vancouver.bc.ca/parkfinder_wa/index.cfm?fuseaction=FAC.FacilityList&ftype=27