Dag Hammarskjold Middle School

Dag Hammarskjold Middle School is a medium-sized middle school based in Wallingford, Connecticut. Classes run from 6 through 8, and the school has 593 students.

Dag Hammarskjold Middle School is part of Wallingford School District, where 12 schools serve 5,087 students.

Dag Hammarskjold Middle School is 67% White by enrollment. The next largest groups are 22% Hispanic, 5% multiracial, and 5% Asian. The school's diversity index is 50%, meaning two students picked at random have a 50% chance of belonging to different racial or ethnic groups.

Staffing totals 54 full-time-equivalent teachers, and the student-to-teacher ratio is 11.0:1. For comparison, middle schools in Connecticut average 11.3:1. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 35%. The average for public schools in South Central Connecticut Planning Region is 51%.

Census Bureau estimates for South Central Connecticut Planning Region show that the median household income is $88,197, roughly 42% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. There are 152 public schools in South Central Connecticut Planning Region, enrolling about 72,909 students in all.

The closest other public school is Evarts C. Stevens School, less than a tenth of a mile away. Within five miles are at least 8 other public schools.

Locale data from NCES put Dag Hammarskjold Middle School in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).

Federal data show a 7% enrollment decrease, from 638 in 2020-21 to 593 in 2024-25.

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