De Smet downed visiting Vashon 48-41 Tuesday.
The Spartans shot well from outside the 3-point arc, connecting on five of nine shots. Brian Taylor led De Smet with 18 points, while Sekou Gassama finished with 11 and Jeremiah Walker added 10.
Vashon (8-1) plays at home against Webster Groves on Friday at 7 p.m.
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