b'Performing Arts Grades 10-12** These are additional electives which students may take outside of the regular timetable. Because they are outside the timetable, they are in addition to the credits that most students will take in one year. These are usually scheduled at noon or after school. Grade 10 Grade 11 Grade 12Concert Band 20S Concert Band 30S Concert Band 40S**Jazz Band 20S **Jazz Band 30S **Jazz Band 40S**Wind Ensemble 20S **Wind Ensemble 30S **Wind Ensemble 40S**Concert Choir 20S **Concert Choir 30S **Concert Choir 40SGuitar 20S Guitar 30S Guitar 40S35'