JENNY Priestley was a primary school teacher for two decades. In September 2022, the mum-of-two wanted to take her boys to school and pick them up each day, and attend some of their activities.

The results are “dramatic,” said Devin Kearns, a professor in early literacy at North Carolina State University, who was not involved with the study. Gains from UFLI are equivalent to 8 months of ...