Reading Ages, Phonics Checks, and SATs: A Plain-English Guide to Primary School Assessments

Why Primary Schools Assess Children

Primary school assessments can generate a lot of parental anxiety — largely because the terminology is rarely explained. Understanding why schools assess children helps put individual results in proper perspective.

Assessments in primary school serve three main purposes: they help teachers identify where each child is in their learning, they signal to schools whether their teaching approaches are working, and they give the government a national picture of educational standards. With the exception of Year 6 SATs, the results are almost never used to judge or rank children against each other in any lasting way.

For a broader overview of how assessment fits into each stage of schooling, see our parent's reference to the National Curriculum.

The Phonics Screening Check (Year 1)

In Year 1 (typically age 5–6), children sit the Phonics Screening Check — a short, one-to-one assessment administered by their own teacher. Children read aloud 40 words, half of which are real words and half are made-up 'pseudo-words' (for example, blan or stroft). The pseudo-words are included deliberately: they test whether a child can decode using phonics rules rather than relying on memorised whole-word recognition.

The national threshold changes slightly year to year, but children who meet or exceed it are considered to have secure phonics knowledge. Those who do not are retested in Year 2 after additional support.

It is important to understand what this check does not measure. It does not assess reading comprehension, vocabulary, or a child's enjoyment of books. A child can have excellent comprehension and a love of stories while still finding decoding unfamiliar letter patterns tricky — and vice versa.

Reading Ages: What They Mean and What They Don't

You may receive a 'reading age' for your child from a standardised reading assessment. A reading age expresses your child's reading ability in terms of the average performance of children at a specific age. So a reading age of 9 years 3 months means your child's reading level is typical of a child that age, regardless of your child's actual age.

Reading ages are useful as a rough benchmark, but they have real limitations. They are derived from a single test taken on one day, and they measure only the skills the test covers — often word recognition or comprehension, but rarely both together. A child who is anxious on the day, has a cold, or simply found the particular passage difficult may score lower than their everyday reading ability would suggest.

If your child's reading age is significantly behind their chronological age, this is worth discussing with their teacher — but it is a starting point for conversation, not a diagnosis. Teachers combine reading age data with ongoing classroom observation to get a fuller picture. If you are concerned that your child may need additional support, our guide on what Special Educational Needs support involves explains the options available.

Key Stage 1 and Key Stage 2 SATs

SATs (Standard Assessment Tests) are the most widely discussed primary school assessments. They currently take place at the end of Key Stage 2 — Year 6 — and cover English reading, English grammar, punctuation and spelling, and mathematics. Key Stage 1 SATs (Year 2) were made optional for schools from 2023, though many schools continue to use them internally.

Year 6 SATs results are reported as scaled scores. A score of 100 is the expected standard; scores range broadly around this point. Children are also given a judgement of whether they have 'met the expected standard' or are 'working at greater depth.' Teacher assessment in writing runs alongside the formal tests.

It is worth knowing that SATs results are used primarily to hold schools accountable through published performance tables — they are not the sole or primary factor in most secondary school admissions. For the journey that follows Year 6, see our guide on the transition from primary to secondary school.

How to Use Assessment Results Constructively

When results arrive — whether from a phonics check, a reading age report, or SATs — the most productive thing a parent can do is approach them as information rather than verdicts. A single score tells you something, but not everything, about your child's learning at one point in time.

If results are lower than expected, arrange a conversation with your child's class teacher before drawing conclusions. Ask what the school is already doing to support your child, and what you can helpfully reinforce at home. Research consistently shows that parental engagement in reading — sharing books, discussing stories, visiting libraries — has a measurable positive effect on literacy outcomes, quite apart from any formal test preparation.

If results indicate your child is ahead of expectations, resist the urge to accelerate relentlessly. Depth and consolidation matter as much as pace. For parents who want to support maths specifically, our article on supporting a child with maths without taking over offers practical, research-informed strategies.