The Colorado Department of Education

Offices | Staff Contacts | Colorado.gov

Hearing Disabilities

Definition:  A student with a hearing disability shall have a deficiency in hearing sensitivity as demonstrated by an elevated threshold of auditory sensitivity to pure tones or speech where even with the help of amplification, the student is prevented from receiving reasonable educational benefit from general education.

A "deficiency in hearing sensitivity" shall be one of the following: 

  • An average pure tone hearing loss in the speech range (500 – 2000 Hz) of at least 20 dBHL in the better ear which is not reversible within a reasonable period of time.
  • An average high frequency, pure tone hearing loss of at least 35 dBHL in the better ear for two or more of the following frequencies: 2000, 4000 or 6000 Hz.
  • A unilateral hearing loss of at least 35 dBHL which is not reversible within a reasonable period of time.

Criteria:  The student meets one or more of the following:

  • sound-field word recognition (unaided) of less than 75% in quiet as measured with standardized open-set audiometric speech discrimination tests presented at average conversational speech (50-55 dBHL).  Interpretation shall be modified for closed-set tests;  and/or
  • receptive and/or expressive language delay as determined by standardized tests
    • under 3 years; less than one-half of expected development for chronological age
    • 3-8 years: 1 year delay or more
    • 9-13 years: 2 years delay or more
    • 14-21 years: 3 years delay or more
  • an impairment of speech articulation, voice and/or fluency
  • significant discrepancy between verbal and nonverbal performance on a standardized intelligence test
  • delay in reading comprehension due to language deficit
  • poor academic achievement
  • inattentive, inconsistent and/or inappropriate classroom behavior.

Hearing Disabilities Services

Listservs for Colorado Providers

To join a listserv, send an email from the email account you plan to use for this listserv by adding "join" to the front of the address of the list above. Leave the subject line and body of the email blank. Example: coedaud-join@web.cde.state.co.us

After you have joined, you will send your messages to the address above for the list. Once you join, you will get a message that indicates you have joined the list as well as direction on how to remove yourself from the list. If you have problems joining or using the listserv, please contact Ruth Mathers or 303-866-6909.

For more information about services for students who are deaf or hard of hearing, please contact:

Ruth Mathers, Principal Consultant - Deaf and Hard of Hearing
Phone: (303) 866-6909