English: According to the UNICEF Early Childhood Education Kindergarten to Grade 4 Longitudinal Study in 2021, learners who received early childhood education had better scores in Literacy (697) by Grade 4 compared to those who did not (672).
Filipino: Ayon sa UNICEF Early Childhood Education Kindergarten to Grade 4 Longitudinal Study noong 2021, mas mataas ang marka sa Literacy (697) pagdating sa Grade 4 ng mga mag-aaral na nakatanggap ng early childhood education kung ihahambing sa mga hindi nakatanggap nito (672).