This weekend marks Week 1 of the high school football season -- and the return of the Union Leader's Granite State Grid. The Grid will be updated with recaps starting Friday night after the completion of the games, then updated through the weekend.

Friday

Londonderry at Alvirne, 7 p.m.

Salem at Concord, 7 p.m.

Kennett at ConVal, 7 p.m.

Timberlane at Exeter, 7 p.m.

Stevens at Fall Mountain, 7 p.m.

Goffstown at Keene, 6:30 p.m.

Hollis-Brook. at Kingswood, 7 p.m.

Campbell at Laconia, 7 p.m.

Providence (R.I.) Central at Memorial, 7 p.m.

Pembroke at West, 7 p.m.

Bedford at Merrimack, 6:30 p.m.

John Stark at Merrimack Valley, 6:30 p.m.

Plymouth at Milford, 7 p.m.

Somersworth at Monadnock, 6:30 p.m.

Central at Nashua North, 6:30 p.m.

Bow at Pelham, 7 p.m.

Windham at Pinkerton, 7

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