OCEANSIDE, Calif. (KGTV) Kathy Easterbrooke has spent nearly three decades making sure her students were not just well-read, but well-fed.Cans of tuna fish, peanut butter and jelly, cereal, spaghetti, and condiments line the shelves.Her classroom almost resembling a grocery store."Try to keep some of the basics here like, you know, tuna fish and pasta and beans, that kind of stuff," Easterbrooke said.Easterbrooke began teaching at El Camino High…