Visits to schools educate as well as entertain children about cats and dogs (often, we will take a dog along as a living model of friendliness, obedience and calm behavior).
An effort is made to have the children participate by asking questions and encouraging them to speak up. We talk to them in a interactive way about animals’ fundamental needs (or rights, such as the welfare "freedoms" talked about by WSPA) and broach concepts such as animal feelings and senses. We want children to enjoy pets, not fear them.
Brochures and posters are used to convey such concepts, along with why one should have pets. Another important thing to teach the children is animal body language.
In the school visits this quarter, we shifted our focus to cats (having done mostly dog talks in the past). It wasn't feasible to take a cat along on these visits, so instead, heavy use of posters and visual aids was used to teach the kids about cats and kittens.

Cat brochure page showing freedoms and concepts

Cat brochure page showing various cat body language concepts
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Kindergarten class with teachers and Carol
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Another Kindergarten class with Carol

Teacher and a student. Note the poster on the blackboard behind them
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Two first grade classes pose together
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Two Second Grade classes with teachers