Guidance
Optional key stage 1 tests: 2025 scaled scores
Scaled score conversion tables for schools to use for the optional 2025 national curriculum tests at the end of key stage 1 (KS1).
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Details
Schools can use these tables to convert raw scores to scaled scores for the 2025 optional KS1 national curriculum tests.
A scaled score between 100 and 115 shows the pupil has met the expected standard in the test. The lowest scaled score that can be awarded on a KS1 test is 85. The highest score is 115.
Pupils need to have a raw score of at least 3 marks to be awarded the minimum scaled score.
For further information, please also refer to our guidance on understanding scaled scores at KS1.
Updates to this page
Published 2 June 2025