Shakeem Stevens scored 12 points and dished out seven assists to help sixth-seeded Olney avenge a regular-season loss to Martin Luther King and bounce the host Cougars, seeded No. 3, from the Public League's Class AAAA quarterfinals, 43-37. Tim Jackson added eight points and seven rebounds, and Darius Wallace netted five points in a key fourth-quarter push.
Visiting Washington, seeded fifth, also claimed a mild upset, using Kendale Truitt's layup with 16 seconds left to knock off No. 4 seed Frankford, 45-43. Truitt led all scorers with 22 points.
Down by three points after three quarters, Bartram rallied to beat visiting Central, 70-61, as Gary Gordon (14) scored nine fourth-quarter points. All five Bartram scorers reached double figures, including Bo Murray with 12 points and 14 rebounds.
Fels got past upset-minded Southern, 43-42, at home, capped by Danil Mateo's two foul shots with 30 seconds left.
University City advanced to the Class AAA semifinals with a 52-47 win over visiting Ben Franklin. Diante Lunsford contributed 15 points, seven rebounds, five assists, and six steals.
Tajhere McCall collected 26 points and six assists, and Brandon Brown was a perfect 5 for 5 from the field in a 10-point, 10-rebound effort in Engineering & Science's 73-43 win over visiting West Philadelphia.
Maurice Watson scored 23 points to help Boys' Latin pull away from visiting Franklin Learning Center for a 68-51 win.
Vaux rallied for a 63-52 win over visiting Freire Charter in Class AA as freshman Khallief Tinley ignited the offense and Rysheed Jordan (30) scored 12 points in a 23-11 fourth-quarter run.
Fateem Brockington's foul shot with 10 seconds left put the finishing touches on Del-Val Charter's 61-58 win over visiting Prep Charter.
Imhotep Charter moved into the next round via a 77-51 win over visiting Masterman in which Khree Wooten had 23 points and seven assists, and Nigel Grant chipped in with 21 points and 11 boards.
Terrell Parker's 13 points, 10 rebounds and four assists highlighted Communications Tech's 59-34 win over visiting Esperanza.
In the Class A quarterfinals, Constitution ran past visiting World Communications with Savon Goodman's 41 points and 21 rebounds, Daiquan Walker's 28 points and 10 assists, and 11 points from freshman Haneef Vaughn, a recent varsity addition.
Paul Robeson bolted to a 26-7 lead and held off visiting Sankofa Freedom, 77-72. Marquis Richards scored 27 points, and Aaquil Craft-Brown notched 17 points, 10 rebounds and nine assists.
Jeremiah Worthem's 16 points and nine rebounds topped five Math, Civics & Sciences players who reached double figures in an 87-44 win over visiting New Media Charter.
Lamberton followed D.J. Alexander's 21 points and five assists, plus Anthony Fagan's 15 points and 10 rebounds, to a 75-70 win at Palmer.
Ches-Mont. Coatesville used a 10-1 run late in the game to secure a 78-67 win at Bishop Shanahan. Tymeir Miller led the Red Raiders with 27 points, and Shanahan's Ryan Conrad had 24.
Suburban One. John DeCamara was 11 for 11 from the foul line in an 18-point effort that steered Upper Dublin past visiting Upper Moreland, 52-44.
Tri-County. Woodlynde, powered by Peter Mayer (21 points), earned a berth in the league playoffs with a 54-26 play-in victory at Wyncote.