It also has a computer lab that allows students temporarily without tutors to help teach themselves to read.
Moocs (massive open online courses) are free, but without tutoring, and are open to anyone, anywhere in the world.
Phillips accepts children as young as 8, subscribing to the theory that if they reach 11 or 12 without tutoring, it might be too late.
Ashley Lewis, 16, a voice student, said that without tutoring help from Mr. Nissen she would not have passed her math exams.
The centre, which is celebrating its 25th anniversary, offers a mix of taught residential courses (weekend and week-long) as well as retreats without tutors where the focus is solely on writing.
In addition to paying tuition, "You're not going to get through private school without tutoring a kid," said Sandy Bass, the editor of Private School Insider, a newsletter that covers private schools in the New York City area.
As a result, WyzAnt wants to increase its support for those without tutors in their immediate hoods, while making it easier for students and teachers to chat, message each other, share course materials and content and so on.
About halfway through the study, the students in CVCA's Math Lab doubled the amount of math they would have been expected to learn without tutoring, and many caught up with grade level.
And students working with an Experience Corps tutor did 40percentt better than students without tutors.
In conclusion, our data demonstrate that the use of PBL in a large classroom without tutors (thereby avoiding additional expenses) leads to statistically significant improvement in the generic problem-solving skills of students.
