Jewell made four 3-pointers and added five assists for St. Francis (7-12, 3-3 Northeast Conference), which won for the third time in four games. Yunus Hopkinson also hit from deep four times and finished with 18 points.
Sacred Heart (3-14, 2-4) scored first on a free throw from Cane Broome but was subsequently outscored 19-3 as the Terriers took control early and dominated the first half, leading 41-18 at the break.
Sacred Heart won the second half 49-44 but never got within striking distance.
St. Francis finished with 19 assists on 27 made field goals and shot 55.1 percent.