The Oakland Athletic League â??OALâ?? Middle School Softball League is the most exciting middle school softball league in Northern California â?? Oakland Section! We offer programs for boys and girls, ages 11 â?? 13, within the Oakland Unified School Districts and local Charter Schools in the area. The OAL is committed to providing quality teaching, training, and playing experiences. while implementing the ideals of good sportsmanship, honesty, commitment, self-respect and respect for others. Our goal is to develop future generations of softball players who represent the game, themselves, and the community with the highest level of character.