What is OpenHS?

OpenHS, or OpenHighSchool, puts the Ontario secondary school math curriculum at your fingertips!

Whether you're having trouble grasping a concept or are trying to learn something new, OpenHS is the place for you!

Not convinced yet? Have a look at some of our lessons below:

Browse recently added lessons:

Grade 11 Math > Finding the Maximum and Minimum Values of a Quadratic Function
Grade 11 Math > Properties of Quadratic Functions
Grade 11 Math > Rational Functions: Examples, Factoring, Graphing, and Operations
Grade 11 Math > Factoring Polynomials
Grade 11 Math > Adding, Subtracting, and Multiplying Polynomials
Grade 11 Math > Transformations of Functions
Grade 11 Math > Finding the Domain and Range of Several Common Functions
Grade 11 Math > Getting the Ball Rolling: Domain, Range, Functions, and Relations