CREATE TABLE table_15855 ("Player" TEXT, "No." TEXT, "Nationality" TEXT, "Position" TEXT, "Years in Toronto" TEXT, "School/Club Team" TEXT)

What school did the player that has been in Toronto from 2010-2012 go to?
SELECT "School/Club Team" FROM table_15855 WHERE "Years in Toronto" = '2010-2012'
SELECT "School/Club Team" FROM "table_15855" WHERE "Years in Toronto" = '2010-2012'