Looking for an Upper West Side math tutor? Russian School of Mathematics is a fresh alternative to hiring a math tutor. The Russian School of Mathematics is an award-winning, after school math program/tutor for K-12 students. More than a math tutor, RSM offers a unique curriculum to accelerate your child's math learning. RSM's average 11th grade math SAT score is 774. RSM's students routinely place well in international math competitions.