From the north:
1. Take the Everett Turnpike South
2. Get off at Exit 11
3. Take a right at the end of the ramp
4. Go under the bridge to the 2nd set of lights
5. Turn left onto Daniel Webster Highway North (Route 3)
6. Turn left onto Baboosic Lake Road at the 4th set of lights (Mobil Station on the corner)
7. Take your 1st left onto McElwain Street
8. Merrimack High School is located at end of McElwain Street

From the south:
1. Take the Everett Turnpike North
2. Get off at Exit 11
3. Take a right at the end of the ramp
4. Turn left onto Daniel Webster Highway North (Route 3)
5. Turn left onto Baboosic Lake Road at the 4th set of lights (Mobil Station on the corner)
6. Take your 1st left onto McElwain Street
7. Merrimack High School is located at end of McElwain Street

From the east:
1. Take route 101 (west) towards Manchester/Bedford
2. Get on the Everett Turnpike (south) - toll road
3. Get off the Everett Turnpike at exit 11
4. Take a right at the end of the ramp
5. Take a right at the lights
6. Go under the bridge to the 2nd set of lights
7. Turn left onto Daniel Webster Highway North (Route 3)
8. Turn left onto Baboosic Lake Road at the 4th set of lights (Mobil Station on the corner)
9. Take your 1st left onto McElwain Street
10. Merrimack High School is located at end of McElwain Street

From the west:
1. Take route 101A to Pennichuck Square in Merrimack
2. Turn onto the "new bypass" toward the Everett Turnpike
3. Go under the bridge to the 2nd set of lights
4. Turn left onto Daniel Webster Highway North (Route 3)
5. Turn left onto Baboosic Lake Road at the 4th set of lights (Mobil Station on the corner)
6. Take your 1st left onto McElwain Street
7. Merrimack High School is located at end of McElwain Street