Glendora will compete in the six-team Sierra League.
There are several football leagues in the CIF Southern Section area that have been updated or realigned for the 2026 season. We have mentioned the MAC 12 and the Rio Hondo/ Pacific League changes before and will revisit that.
Here are the updated leagues for the Mt. SAC area. Keep in mind these changes are only for football.
Baseline: Chino Hills, Damien, Etiwanda, Rancho Cucamonga, Upland
Sierra: Ayala, Bonita, Charter Oak, Colony, Glendora, Northview
Valle Vista: Alta Loma, Chino, Claremont, Diamond Ranch, Los Osos, San Dimas
Hacienda: Baldwin Park, Covina, Diamond Bar, Los Altos, South Hills, West Covina
Gano: Chaffey, Don Lugo, Montclair, Nogales, Rowland, Walnut
Montview: Azusa, Duarte, La Puente, Ontario, Sierra Vista, Wilson
Miramonte: Bassett, Ganesha, Garey, Pomona, Workman
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Where is Keppel this season?
From T. Peterson: Keppel is in the Conference 12 League in the MAC 12 with Arroyo, Mt. View and Rosemead.
Baseline:
1. Damien
2. Chino Hills
3. Rancho Cuc
4. Etiwanda
5. Upland
Sierra:
1. CO
2. Bonita
3. Northview
4. Glendora
5. Colony
6. Ayala
Valle Vista
1. Alta Loma
2. Chino
3. San Dimas
4. Los Osos
5. Claremont
6. Diamond Ranch
Hacienda:
1. West Covina
2. Baldwin Park
3. Los Altos
4. South Hills
5. Diamond Bar
6. Covina
Gano:
1. Rowland
2. Chaffey
3. Nogales
4. Don Lugo
5. Walnut
6. Montclair
Montview:
1. Wilson
2. Duarte
3. La Puente
4. Ontario
5. Azusa
6. Sierra Vista
Miramonte:
Can they all tie for last place????