By Seth Lakso, Globe Correspondent
The boys' basketball Top 20 has been a bit volatile as of late, with the Catholic Conference and Boston City League teams beating up on each other left and right, but here's how things have shaken out this week:
Newton North (12-0) is the new No. 2, followed by two Catholic Conference teams, in Catholic Memorial (11-2) and BC High (11-3), with Acton-Boxboro (13-1) rounding out the top five.