Land and Water

St. Mark’s is comprised of 250 acres of land, including faculty housing, the main campus, turf fields, recreational land, a wooded area for cross country running, and a discontiguous piece of land (5 acres), none of which are protected lands.


  • Organic fertilizer: To steward the land on which it is located, St. Mark’s uses organic fertilizer on all of its athletic fields and minimizing the use of synthetic fertilizer across school grounds.
  • Garden: St. Mark’s is proud to have a community garden which is a community-maintained space used for growing fresh fruit, flowers, vegetables and herbs. In the spring, Dr. Heather Harwood and a group of self-selected students work every afternoon to prep the soil, plant seeds, and maintain upkeep of the garden. Greens grown in the garden have been served in the dining hall, as have tomatoes and herbs. In the summer, interested faculty help to maintain the garden.
  • Goats: For the past fifteen years, St. Mark’s has been using goats during the growing season to maintain the rough terrain on the sewer treatment plant’s leach field.

Less than 1% of the water on the planet is fit for human consumption. Given the scarcity of this critical resource, St. Mark’s aims to minimize consumption and maximize efficiency. When equipment is replaced, the School has exclusively installs low flow fixtures, such as sinks, showerheads, and toilets, and all sprinklers on campus run on timers and have rain gauges. All of the School’s water comes from the Town of Southborough, which draws from the Quabbin Reservoir, about 65 miles west of Boston, and the Wachusett Reservoir, about 35 miles west of Boston. These two reservoirs combined supply about 200 million gallons a day to consumers.

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