12%, compared to the citywide rate of 12%. The concentration of fine particulate matter, the deadliest type of air pollutant, is in Community District 8, slightly higher than the citywide and boroughwide averages. Eighteen percent of Community District 8 residents are smokers, compared to the city average of 14% of residents being smokers. In Community District 8, 26% of residents are obese, 13% are diabetic, and 33% have high blood pressure—compared to the citywide averages of 24%, 11%, and 28% respectively. In addition, 19% of children are obese in Community District 8, compared to the citywide average of 20%. Eighty-four percent of Community District 8 residents eat some fruits and vegetables every day, which is slightly lower than the city's average of 87%. In 2018, 78% of Community District 8 residents described their health as "good," "very good," or "excellent," compared to than the city's average of 78%. For every supermarket, there are 25 bodegas in Community District 8. Post offices and ZIP Codes Prospect Heights is covered by ZIP Codes 11217 and 11238. The United States Postal Service operates two post offices nearby: the Times Plaza Annex Station at 594 Dean Street, and the Adelphi Station at 950 Fulton Street. Education Community District 8 generally has a similar ratio of college-educated residents to the rest of the city . In Community District 8, 44% of residents age 25 and older have a college education or higher, while 16% have less than a high school education and 40% are high school graduates or have some college education. By contrast, 40% of Brooklynites and 38% of city residents have a college education or higher. The percentage of Community District 8 students excelling in reading and math has been increasing, with reading achievement rising from 31 percent in 2000 to 37 percent in 2011, and math achievement rising from 22 percent to 47 percent within the same time period. Community District 8's rate of elementary school student absenteeism is higher than the rest of New York City. The proportion of elementary school students who missed twenty or more days per school year was 28% in Community District 8, compared to the citywide average of 20% of students. Additionally, 71% of high school students in Community District 8 graduate on time, compared to the citywide average of 75% of students. Schools Prospect Heights contains the following public schools: PS 9 Sarah Smith Garnet,