Great Valley Academy in Manteca was described as one of the “few (charter school) models that exist” by the Center for Educational Reform.GVA “demonstrates the power of the ‘Ripple Effect,” reads the online article that ran in conjunction with the observation of National Charter Schools Week in May.“In its first year, the API score was 800, without test prep. Its kids include high numbers of children with dyslexia, ADD and Autism, yet their students are able to function without academic deficiencies. Great Valley ensures that not only does every child succeed academically, but every class learns to run a business.