You may also be looking for Uttan Narsu.

Mrs. Narsu was a school teacher aboard the USS Enterprise-D. Her students included Eric Burton.

Counselor Deanna Troi visited Mrs. Narsu's class in 2370 to help the children with a sculpture exercise. Narsu believed that accuracy was important, but Troi was there to encourage the children to think and create in abstract terms. (TNG: "Masks")

Mrs. Narsu was played by an unknown actress.