ST. LOUIS — Freshman Jaden Schwartz had two goals and two assists playing on what might be his future home ice, helping Colorado College whip top seed Boston College 8-4 in the semifinals of the NCAA West Regional on Friday night.

Schwartz’ older brother and linemate Rylan Schwartz added a goal and two assists for Colorado College (23-18-3), which ended Boston College’s eight-game winning streak and will play Michigan in the final Saturday night with a Frozen Four berth at stake.

Boston College goalie John Muse, who had been 8-0 with a 1.95 goals-against average in NCAA tournament play and starred on a pair of title teams last year and 2008, was pulled after two periods with the Eagles (30-8-1) trailing 7-2. Cam Atkinson and Barry Almeida scored in the third to narrow the gap to three for the losers, who have 11 NHL draft picks and had been seeded third overall in the tournament.

The third member of the Schwartz line, Stephen Schultz, had a goal and two assists. An empty-net goal in the final seconds put Colorado College, which has won four of five, one off its season high for scoring.

Boston College surrendered a season high for goals against an opponent that finished sixth in the WCHA and was the fourth seed in the four-team regional.

The 18-year-old Schwartz was selected by the Blues in the first round of the 2010 entry draft. He has 17 goals and 29 assists in 29 games in a season shortened by a broken ankle while playing for Team Canada at the World Junior Championships.

Boston College jumped on top at the 19-second mark on Hayes’ goal. Colorado College answered with four straight goals in the first period, one each from the Schwartz brothers, and outscored the Eagles 3-1 in the second period to put the game away.