The saying that all things come full circle is definitely true. Just walk into Tina Parks’ third grade class at North Elementary. Christianna Pacheco once sat in her class. Now the Lamesa High School junior is helping Parks teach another generation of youngsters.“Had Christianna in class when she was in third grade,” said Parks, a third grade math and science teacher. “So that was really neat.”A Lamesa school district program called “Grow Your Own Teacher” allows high school students to learn the art of teaching even before they earn their high school diplomas. It began three years ago. Two years ...