"If a teacher does not involve himself, his values, his commitments, in the course of discussion, why should the students?"-- Sen. Paul D. Wellstone (1944-2002)
Ten people (about 20%) not voting seems high to me, maybe they will get inspired to vote seeing how many of their colleagues are voting.
20% mot voting is low. In the US, the best we usually see is in presidential elections, and turnout is roughly 60% of eligible voters.