Mia Castillo is a bright but quiet student at Marlin (Texas) Primary Academy. She started working on Essential Learning Systems (ELS) in early December 2015. During the next six months, Mia gained 2.4 years in Instructional Reading and 1.8 years in Silent Reading Comprehension. She also improved her ELS vocabulary comprehension average by 16%! Way to go, Mia! We are very proud of your accomplishments!