What is the fine-grained topic of the following text: It was found that 80% (n=33) of these learners were prepared for learning on a Grade 4 level at the end of Grade 3, compared with 40% (n=13) of the Grade 3 learners at the control schools. Only return the topic.
Academic readiness of Grade 3 learners for Grade 4 level in comparison with control schools.