State Guidelines

The following criteria are considered in determining if a child has a deficit skill in the area or areas tested.  These criteria are published by the state of Illinois for the purposes of outlining true entitlement to services provided in the public schools.


Age 3– b, p, m, n, w, h, vowels,diphthongs,syllable deletion, final consonant deletion.

Age 4- k, g, t, d, ng, y, stopping

Age 5—f, v, clusters

Age 6—l Age 7—sh, ch, j, zh

Age 8—r, s, z, th

Mild:up to 30 minutes/week service

Moderate:31 to 60 minutes/week service

Severe: 61 to 90 minutes/week service

Profound:91+ minutes/week


Doctor’s prescription may be required for any speech and language services in the schools. Primarily in the area of vocal nodules.


The student must demonstrate a deficit in receptive, expressive, or pragmatic language when compared to their cognitive level as measured by 2 or more diagnostic procedures

Mild:1 to 1 1/2 standard deviations below the mean. (up to 30 minutes/week service)

Moderate:1 1/2 to 2 standard deviations below the mean. (31 to 60 minutes/week service)

Severe:2 to 2 1/2 standard deviations below the mean. (61 to 90 minutes/week service)


Number of stuttering-like disfluencies:

Part- Word Repetitions

Whole Word Repetitions


Number of normal disfluencies:
Phrase repetitions

Any secondary characteristics noted add to severity level indicated.