Mastery Diagnostic Assessments (KS3)
Mastery Diagnostic Assessments (KS3)
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To make formative assessment work, you need clear, actionable data on student understanding - before the end of instruction. Our Diagnostic Quizzes deliver that real-time insight, pinpointing exactly which concepts students have mastered and where misconceptions remain—so teachers can decide immediately whether to reteach, provide targeted practice, or move forward with confidence.
Each Diagnostic Quiz comprises a series of original, carefully crafted multiple-choice questions that target specific conceptual goals and common student errors. Distractors are designed around partial understandings and known misconceptions, ensuring the quiz not only measures whether students “got it,” but reveals why they might be struggling. After students engage with a targeted re-teach or “rethink” activity, a Second-Chance (Reassess) Quiz—with questions parallel to the original—allows learners to demonstrate improved understanding. This reassessment reinforces growth mindset and confirms that reteaching has closed gaps.
By integrating these quizzes into your unit, you gain the fast, accurate feedback needed to close learning gaps, and give every student the time and support they need to achieve mastery.

I and the department are very impressed with the design and the specific feedback and intervention activities for students.
Really delighted with the content! My headteacher observed me doing my first rethink session. She was absolutely delighted with the learning she saw taking place and is supportive of us investing in it. Much of the success of the mastery for all assessment has been in the bespoke response to the misconceptions so clearly pinpointed by the diagnostic test. The tasks quickly and effectively address these misconceptions and the extend tasks are a fabulous way to take most able pupils to a greater depth in the learning. The dramatic increase in the marks between the diagnostic and the retest are testament to the success of the reteaching interventions.