Child Assessments for Autism and ADHD
Last reviewed: March 2026
Written by: School of Diversity SEND Support Team
Topic: Child Assessment and Diagnosis
This guide explains how child assessments work for autism, ADHD and related developmental needs, including when to seek an assessment, what the process involves and how assessments support children in education.
Child assessments for autism and ADHD are professional evaluations used to understand a child’s development, behaviour and learning needs. Assessments help identify whether a child may benefit from additional support in school or at home.
Key Takeaways
- Assessments help identify a child’s developmental and learning needs.
- Parents may seek assessments for autism, ADHD or other SEND needs.
- Assessments may be accessed through NHS or private pathways.
- The process usually includes observation, history and professional evaluation.
- Assessment outcomes help guide school support and interventions.
Many parents begin exploring assessments when they notice differences in their child’s behaviour, communication or learning. Understanding how assessments work can help parents feel more confident in taking the next step.
This hub brings together guidance on autism and ADHD assessments, helping parents understand what to expect and how to access support.
When Should Parents Consider an Assessment?
Direct answer:
Parents may consider an assessment if developmental, behavioural or learning differences affect a child’s daily life or education.
Parents may notice:
- communication differences
- attention or focus difficulties
- social interaction challenges
- sensory sensitivities
- behaviour that affects learning
Recognising these patterns can help parents decide whether to seek professional advice.
Types of Assessments
Direct answer:
Children may be assessed for different developmental needs depending on their profile.
Autism Assessments
➡ Autism Assessment for Children
Understand how autism assessments work and what they involve.
ADHD Assessments
➡ ADHD Assessment for Children
Learn how ADHD assessments evaluate attention, focus and behaviour.
Combined Assessments
Some children may be assessed for multiple needs where appropriate.
NHS vs Private Assessments
Direct answer:
Assessments may be accessed through NHS services or private providers.
➡ Private vs NHS Autism Assessment
➡ Private vs NHS ADHD Assessment
Parents may explore both pathways depending on availability and individual circumstances.
What Happens During an Assessment?
What Happens During an Assessment?
Direct answer:
Assessments usually involve developmental history, observation and professional evaluation.
➡ What Happens During an Autism Assessment
➡ What Happens During an ADHD Assessment
The process helps professionals understand how a child learns, behaves and interacts.
Assessment Process Overview
Concerns Raised
↓
Speak to GP / School
↓
Referral for Assessment
↓
Assessment Activities
↓
Professional Evaluation
↓
Report and Recommendations
What Happens After an Assessment?
Direct answer:
After an assessment, families receive feedback and recommendations to support their child.
This may include:
- school support strategies
- SEN support
- possible EHCP consideration
- guidance for home support
Assessments and EHCP Support
Some children may require additional support following an assessment.
➡ What Support Does an EHCP Provide
Assessments often provide important evidence for support decisions.
Choosing the Right Assessment Pathway
Parents may consider:
- urgency of support needs
- availability of services
- type of assessment required
- professional recommendations
Understanding options helps parents make informed decisions.
FAQ
Do I need a diagnosis for my child to receive support?
No. Schools can provide SEN support based on needs.
Can I request an assessment myself?
Yes. Parents can speak with professionals or request referrals.
How long do assessments take?
Assessment timelines vary depending on the pathway and service availability.
What happens if my child is diagnosed?
Children may receive support in school and guidance for home and learning.
Explore More Guidance
If you are exploring assessments for your child, it can be helpful to understand how different areas of support connect. You can explore our Autism Support for Parents hub to learn about communication, behaviour and sensory needs, or visit our ADHD Support for Parents hub for guidance on attention, focus and behaviour. If your child requires additional support in school, our EHCP Guidance Hub explains how Education, Health and Care Plans work and how to access the support your child may need.