Christopher went 4 of 10 from behind the 3-point line in the game.
Chris Campbell ended up with 16 points for the Jags and Sharp put in 11.
Tevin Jackson had a team-high 10 rebounds to go along with four points.
JC is now 7-17, 2-12 in Region XIV.
The Jags will test Coastal Bend on Wednesday night in Beeville. Coastal Bend is the only team in the circuit that has fewer conference wins than JC, as the Cougars are 1-13 in conference, after losing 58-56 to Angelina College on Saturday.