26. Charter School of Wilmington
This school in Wilmington, Delaware, has an average SAT score of 1350 and an average ACT score of 31. It has a student enrollment of 972. The student-teacher ratio is 5:1. Proficiency in mathematics is 98%, and proficiency in reading is 99%. The average graduation rate is 99%.

At this school, students are offered an innovative, integrated, and rigorous curriculum, grounded in traditional subjects. It also offers five University of Delaware courses: Survey of Organic Chemistry 1 and 2, Ordinary Differential Equations, Calculus 3, and Data Structures. Students receive college credit for these courses. Through a research project, seniors are able to work independently in an area of interest in the fields of technology, math, or science. Charter offers a broad selection of Advanced Placement courses. In addition to traditional math and science courses, it also offers an extensive range of electives, such as Astronomy, Advanced Robotics, Forensic Science, Introduction to Engineering and Computer Graphics.