Sex education is a highly contentious topic, even though it shouldn't be. Generally speaking, sex education is poor. Even the best comprehensive sex ed programs focus on risk and risk mitigation, with no attention paid to all other aspects of sex or relationships. Most sex ed is non-existent, superficial, or perhaps even worse, is based on the abstinence-only model. But Canada is still better than the US.
In this segment John Oliver provides biting and humorous commentary on the current state of sex ed.