Major categories of speech disorder in school-age children

1. speech sound disorders

2. voice disorders

3. stuttering

Explanation:

1. Speech sound disorders: it's any difficulty or combination of difficulties with perception, motor production, or phonological representation of speech sounds and speech segments

2. Voice disorders: whenever a child is sick of a voice-related disease like Muscle tension dysphonia etc

3. Stuttering: A speech disorder involving frequent problems with the normal fluency and flow of speech.