Welcome to the Terrace Middle School website! Terrace Middle School is a unique 4th through 8th grade school in Lakeport California. Our 4th, 5th and 6th grade classrooms are self-contained learning centers. The 7th and 8th grade students follow a traditional 6 six period school day. Our motto at TMS is "Live to Learn" and each day is a new opportunity to learn and grow for all of our students.