Answer:
The research problem that can be formulated on this topic is: What are the factors that contributed to the changes in the number of learners enrolled in schools between 2016 and 2017, and what are the challenges faced by schools in managing these changes? This problem can be further refined by focusing on specific regions, types of schools, or demographic groups to provide a more detailed analysis of the issues. The research can also explore potential solutions and strategies to address these challenges and improve the education system.