ESA serves grades PreK 3/4 to 12th with multi-level classrooms in both our Lower and Upper School, maintaining small class sizes for more individualized instruction. If you have been looking for a place for your family to settle down full-time or for a couple of months a year, but you were worried about the education of your children, Rancho Santana will be the perfect place to move to with the reassurance of a high quality education from Escuela Santa Ana.