|Students board school buses outside the Thomas Edison School in Brighton. (JOSH REYNOLDS FOR THE BOSTON GLOBE)|
“You live here, you go there.’’ That sums up the school assignment process for most students in Massachusetts. Boston families can only look on with envy. For them, school assignments are determined by geocodes, algorithms, zones, sibling preferences, and waiting lists. In the decades following the busing era, the process became so complicated that many Bostonians insist it can’t be changed without shutting numerous schools and reopening new ones, as if the school department were wrestling with a math problem.