The Majority of our Frog Tutoring Portland local tutors are mentors and top college students from Portland State and University of Portland or graduates with GPA averages of 3.5 or higher in their areas of tutoring specialization. Not only are our Portland Tutors excellent private Math tutors, Reading tutors, SAT tutors and ACT tutors, Calculus tutors, Algebra tutors, Chemistry tutors, Physics tutors, Spanish tutors, Accounting tutors, Biology tutors, Statistics Tutors but can also provide services in subjects such Organic Chem, Biochemistry, Latin, English, MCAT, GRE, LSAT and various others.