average of 87%. In 2018, 77% of residents described their health as "good," "very good," or "excellent," about the same as the city's average of 78%. For every supermarket in Community District 10, there are 7 bodegas. The nearest large hospitals are Calvary Hospital, Montefiore Medical Center's Jack D. Weiler Hospital, and NYC Health + Hospitals/Jacobi in Morris Park. The Albert Einstein College of Medicine campus is also located in Morris Park. Post offices and ZIP Code Co-op City is located within ZIP Code 10475. The United States Postal Service operates three post offices in Co-op City: Co-op City Station – 3300 Conner Street Dreiser Loop Station – 179 Dreiser Loop Einstein Station – 127 Einstein Loop Parks The largest open space in Co-op City itself is the Greenway, which is located in the superblock connecting all of the buildings. The majority of Co-op City was built atop Rattlesnake Creek, a small stream that emptied into the Hutchinson River to the east. A small nature preserve called the Givans Creek Woods is located at the northern portion of Co-op City, near the intersection of Baychester Avenue and Co-op City Boulevard. Despite its name, which is derived from Scottish immigrant Robert Givan, it is located above Rattlesnake Creek. Co-op City Field, located on the waterfront of Hutchinson River at Co-op City Boulevard north of Bellamy Loop North, contains two baseball fields. Directly to the south is a proposed waterfront park, which was announced in 2017 and is still in the planning stages. Education Community District 10 generally has a lower rate of college-educated residents than the rest of the city . While 34% of residents age 25 and older have a college education or higher, 16% have less than a high school education and 50% are high school graduates or have some college education. By contrast, 26% of Bronx residents and 43% of city residents have a college education or higher. The percentage of Community District 10 students excelling in math rose from 29% in 2000 to 47% in 2011, and reading achievement increased from 33% to 35% during the same time period. Community District 10's rate of elementary school student absenteeism is slightly higher than the rest of New York City. In Community District 10, 21% of elementary school students missed twenty or more days per school year, a little more than the citywide average of 20%. Additionally, 75% of