The Daily Telegraph reports that activities include watching romantic films, holding hands and "love song analysis".
Besides "love and sexuality", the curriculum also deals with the importance of family life.
The trainers are provided by the Social Development Unit, a government match-making agency that has married off 33,000 people since it was established in 1984.
Mechanical engineering student, Isabel Seet, 18, told the Straits Times: "My teacher said if a guy looks into my eyes for more than five seconds, it could mean that he is attracted to me and I stand a chance.
"It's very interesting, and if I have a boyfriend in future, I'll know how to cope with any problems we may have."
Government minister Yu-Foo Yee Shoon recently warned young people not to put their career before establishing a family "because if you wait until then, sometimes it'll be a little too late".