Yes, they had an agreement about school. And Lyra was more than willing to honor said agreement. She said she would try going to school, and she was definitely going to try. That didn't mean that she had to like the idea of going to school.
"I think you were good when it came to school," she decided. "You're smart. You probably liked school." She shrugged a bit at this, and took another bite of the cake. "Am I wrong?" she asked.