Astronaut. A dream job for most kids, but eventually they lose interest. Kids grow up and reality sets in. “It’s just not practical,” they say. But Marcos Garcia, a senior at Texas High, never cared...

While many students’ heads are in the clouds, junior Jessie Gamble’s thoughts are engulfed in the stars. Her life’s mission is to study astrophysics, a math and theory-based branch of astronomy....