If your child is enrolled in public school and the stuttering is affecting his academics, he will qualify for therapy with a speech pathologist at school. "Qualify" means really different things in different districts, but typically, if your son's teacher says he has trouble reading aloud, isn't participating in class activities or presentations, etc., you may be able to get him qualified there. Only problem at this point is school being out in a few weeks. Easter Seals has some clinics across the country, along with local Children's Hospitals. If there's a university with a speech pathology or communication science and disorders program nearby, they will typically have a clinic for graduate students to provide therapy under licensed therapists/supervisors. Consider checking
www.asha.org, the American Speech and Hearing Association site. They have parent resources and may be able to link you to someone providing private (in-home) therapy in your area. Ensure whoever you use is licensed by your state and by ASHA. Finally, consider visiting the stuttering foundation of america website as they might have ideas for you for home practice, have tons of literature to read and may be able to link you to other parents in the same situation. The waiting lists are long everywhere. Best wishes!