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- Lane Public School, Lane, Atoka County
- Latta Public Schools, Ada, Pontotoc County
- Laverne Public Schools, Laverne, Harper County
- Lawton Public Schools, Lawton, Comanche County
- Le Flore Public Schools, Le Flore, Le Flore County
- Leach Public School, Twin Oaks, Delaware County
- Leedey Public Schools, Leedey, Roger Mills County
- Leonard Public School, Leonard, Tulsa County
- Lexington Public Schools, Lexington, Cleveland County
- Liberty Public School, Morris, Okmulgee County
- Liberty Public School, Roland, Sequoyah County
- Liberty Public Schools, Mounds, Tulsa County
- Lindsay Public Schools, Lindsay, Garvin County
- Little Axe Public Schools, Norman, Cleveland County
- Locust Grove Public Schools, Locust Grove, Mayes County
- Lomega Public Schools, Omega, Kingfisher County
- Lone Grove Public Schools, Lone Grove, Carter County
- Lone Star Public School, Sapulpa, Creek County
- Lone Wolf Public Schools, Lone Wolf, Kiowa County
- Lookeba-Sickles Public Schools, Lookeba, Caddo County
- Lost City Public School, Hulbert, Cherokee County
- Lowrey Public School, Tahlequah, Cherokee County
- Lukfata Public School, Broken Bow, McCurtain County
- Luther Public Schools, Luther, Oklahoma County
Read more about this topic: List Of School Districts In Oklahoma