The De La Salle High football team was the only East Bay squad to receive a No. 1 seed for the North Coast Section playoffs in Sunday's selection and seeding meeting.
The Spartans (10-0), who will get a bye in the first round, have won 21 consecutive NCS titles. They were seeded above No. 2 Pittsburg and No. 3 California in Division I. The playoffs will kick off on Friday and Saturday in five divisions.
Three East Bay schools were seeded No. 2: Clayton Valley Charter (9-1), in Division 2; Campolindo (10-0), in Division 3; and Valley Christian-Dublin (7-3), in Division 5.
Casa Grande (10-0) and Marin Catholic-Kentfield (10-0) got the top seeds in Division 2 and Division 3, along with Middleton (9-1) in Division 5.
De La Salle, which defeated East Bay Athletic League champion California 55-0 last week, has won the last four California Open Division Bowl Championships.
Defending NCS Division 2 champion Clayton Valley Charter, under coach Tim Murphy, enters the playoffs with its offense in high gear. The Eagles have won nine straight after falling 34-14 to De La Salle in their season opener. Clayton Valley scored a combined 106 points in wins over playoff teams Concord and Northgate to close the regular season. The Eagles routed Rancho Cotate 35-7 in last year's section final before falling 27-24 to Oakdale in the Northern California Division II championship game.
Miramonte is the third seed in Division 2, Concord is No. 5, Northgate No. 6, and Las Lomas No. 7. College Park is seeded 11th.
EBAL trailer Livermore (2-8), which had two nonleague wins over Division 2 opponents, did not get a Division 2 berth. Alameda (6-4) received the 16th seed in Division 2.
James Logan (8-2), the Division I runner-up in 2012, received the fifth seed in Division I and will host No. 12 Liberty (5-5) on Saturday. EBAL rivals Granada and Amador Valley, who met on Nov. 1 with the Matadors' prevailing 42-21, will meet again at Granada on Friday. The winner will face De La Salle in the quarterfinals.
No. 6 San Ramon Valley and No. 3 California, the EBAL co-champs in 2012, appear on a collision course in the Division I quarterfinals.
El Cerrito (8-2), the 2012 NCS Division 3 runner-up, looks to have a clear path to the semifinals as the No. 3 seed. If the seeds hold up, the Gauchos would face Campolindo in the semifinals.
Deer Valley (9-1) landed the fourth seed in Division I, the Wolverines' best seed since they were No. 2 in 2009 and fell to Pittsburg in the quarterfinals. Deer Valley will host No. 13 Castro Valley on Friday.