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APSN Education Services Ltd.

Address: 900 New Upper Changi Road, Singapore 467354
Phone: +65 6479 6252

APSN Chaoyang School

Address: 10 Ang Mo Kio Street 54 Singapore 569184
Phone: +65 6456 6922

APSN Katong School

Address: 900 New Upper Changi Road Singapore 467354
Phone: +65 6643 0300

APSN Tanglin School

Address: 143 Alexandra Road Singapore 159924
Phone: +65 6475 1511

APSN Delta Senior School

Address: 3 Choa Chu Kang Grove Singapore 688237
Phone: +65 6276 3818


Address: 11 Jalan Ubi Block 2 #02-12 Singapore 409074
Phone: +65 6479 6252

APSN Centre For Adults

Address: 11 Jalan Ubi Block 4, #01-31 Singapore 409074
Phone: +65 6346 2425

APSN Learning Hub

Address: 11 Jalan Ubi Block 6, #01-51 Singapore 409074
Phone: +65 6708 9867 / +65 8388 6252

APSN Student Care Centre

Address: 10 Ang Mo Kio Street 54 Singapore 569184
Phone: +65 6637 9812

For APSN's whistle-blowing policy and reporting channel, kindly click here.

Understanding Mild Intellectual Disability (MID)

Intellectual disability (ID) is a development disorder where the individual faces more difficulty than others in grasping concepts and solving problems.

Significant limitations in intelligence

of ID Population
IQ 50-70
(Mild ID)*
of ID Population
IQ 35-49
(Moderate ID)
of ID Population
IQ 20-34
(Severe ID)
of ID Population
IQ <20
(Profound ID)

*APSN provides programmes and services for this group of persons

Source: Bouras N, Holt G, Day K, Dosen A, editors. (1999). Mental Health in Mental Retardation: The ABC for Mental Health, Primary Care and Other Professionals. London: World Psychiatric Association.

Significant limitations in the skills

  • Significant limitations in the skills needed to live and work in the community
  • These include difficulties with communication, self-care, social skills, safety, and self-direction

Limitations in intelligence and living skills

  • Limitations in intelligence and living skills are evident in the developmental period (i.e. before the person is aged 18 years)

Intellectual disability involves impairments of general mental abilities that impact adaptive functioning. Some of the common problems faced by MID individuals may include:

Difficulty remembering what is taught
Takes a longer time to learn
Poor understanding skills
Weak problem solving
Poor social skills
Poor coping skills

While intellectual disability does not have a specific age requirement, an individual’s symptoms must begin during the developmental period and are diagnosed based on the severity of deficits in adaptive functioning. The disorder is considered chronic and often co-occurs with other mental conditions, such as:

Autism Spectrum Disorder (ASD)
Down Syndrome (DS)
Attention Deficit Hyperactivity Disorder (ADHD)
Cerebral Palsy (CP)
Diagnosis & Treatment

Where there is a co-existence of mental illness and intellectual disability, accurate diagnosis and treatment are particularly challenging because of the individual’s impaired cognitive abilities and attention, functional deficits, communication difficulties, and other co-morbid developmental disabilities, such as autism.

For people with intellectual disability, mental disorders can seriously affect their daily functioning, disrupt family relations, and prevent access to community resources for care, training and habitation. The mental disorder often manifests as behavioural difficulties or changes, which require a proper assessment from an inter-disciplinary team of mental health professionals, so that appropriate treatment can be given. Treatment includes the prudent use of medicines, behavioural therapy and occupational therapy. The treatment plans usually look into addressing sensory issues, improving communication skills, advising on environmental manipulation, changing maladaptive behaviour and optimising functional capabilities.

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