Penfield 80 Irondequoit 48
Colleen Coon grabbed 16 rebounds and had a career-high 20 points for Penfield (18-0) who recorded its first undefeated season in school history.
Gabby D'Ercole added 16 points, including four 3-pointers during the third quarter.
Sarah Tranelli and Megan Malloy combined for 17 assists.
Kelli McCauley scored all 15 points on three's for Irondequoit (9-9).
PENFIELD: Lacey Coppage 18, Gabby D'Ercole 16, Colleen Coon 20, Colleen Mahany 2, Sarah Tranelli 8, Megan Malloy 2, Monica Nesselbush 8, Laura Wilkins 0, Colleen Lynd 2, Emma Morsch 0, Laura McNamara 4, Ashley Mancuso 0, Meredith Russell 0.
3-point goals: McCauley 5, Brett 3, D'Ercole 4, Tranelli 2, Coppage 2.
Fouled out: Sigrist.