I was in speech therapy for 15 years, since age 3. My stutter used to be really bad but honestly, I didn't need it the last 2/3 years I was in it (I continued until my senior year of high school). Speech therapy services (especially in public schools where many provide it for free) are very important. Even though my stuttering didn't bother me the last 2/3 years I was in it, I still went to learn techniques and how to handle it. It can be very beneficial, even when the stutter is mild like mine is.