Education funding, property taxes and a deep unease over national politics dominated conversations outside polling places from Lebanon to Newport as Upper Valley voters headed to the polls Tuesday for New Hampshire’s primary elections.

Lois Rowland, 82, of Etna, summed up the mood many voters described as they arrived at Hanover High School. “The world is going crazy. It’s chaotic. It’s not good,” Rowland said. “A lot’s at stake.” Voting, she …