Augmentative and Alternative Communication (AAC) involves supporting existing functional speech, or replacing a lack of functional speech. The goal of AAC is to enable individuals to efficiently and effectively engage in a variety of interactions and participate in activities of their choice.

AAC is used to support expressive communication of thoughts, needs and wants, and also to support receptive communciation or understanding. 

Types of AAC:


Unaided AAC does not require any equipment or external aid e.g. key word sign, gesture, looking at something, facial expression and body language.


Aided AAC requires some use of equipment or external aid e.g. Communication board, photographs, visual timetable.

LOW TECHNOLOGY  refers to non-electronic systems that do not require a power source to be operated. A low technology system can include objects, photos, pictures, letters or words.

HIGH TECHNOLOGY refers to electronic or computer-like devices that allow a person to communicate using speech output. A high tech system may be an Ipad with a communication app installed or a specifically deisgned high tech communication system.

A low tech AAC system can often be used to support or supplement an individual’s high tech AAC system.

Useful Resources

  • Teacher Visuals
    These PCS enable teachers to give instruction visually to support children's needs.
  • First Then Charts
    Visual supports used to represent, order and track tasks or events. 2-3 tasks.
  • Timetable Visuals
    A wide range of PCS suited for K-12 Key Learning Areas and classroom activities.
  • AAC Vocabulary Checklist Stage 5
    This checklist corresponds with the signs and symbols in AAC - Starting Out Stage 5.
  • AAC Vocabulary Checklist
    This checklist corresponds with the signs and symbols in the AAC - Starting Out booklet.
  • AAC - Starting Out Stage 5
    This booklet is an addition to AAC - Starting Out and contains Stage 5 symbols and signs.
  • AAC - Starting Out
    This booklet contains some Boardmaker symbols and the corresponding signs for vocabulary used frequently at school.

Useful Links