Our son struggled daily with AP Chemistry and it shook his self-confidence. Within 48 hours of contacting Top Notch Tutoring we were connected with an excellent tutor. My son's grades improved and his self-confidence returned. We turned again to Top Notch Tutoring for AP Calculus. My son's grades improved quickly and he scored an 'A' on the final! TNT is responsive and flexible and their tutors are knowledgeable and great with students.