Hannah Caldwell Elementary

Hannah Caldwell Elementary, a roomy elementary-level community in UNION, New Jersey, operated by Township of Union School District, teaches 812 students, covering grades pre-K through 4. By comparison, New Jersey's public schools average about 405 students each, so Hannah Caldwell Elementary sits 100% above that benchmark.

Within Township of Union School District, which oversees 10 schools and 7,845 students, Hannah Caldwell Elementary is one campus in the system.

For racial and ethnic makeup, Hannah Caldwell Elementary lists that 41% of students identify as Black, with the remaining enrollment distributed across several groups. Beyond that, the school reports 31% Hispanic, 14% White, 9% Asian, 5% multiracial. The wider county runs roughly 20% Black, putting the school's mix visibly more Black than the area baseline.

On the resource side, Staff filings list 52 full-time-equivalent teachers, which works out to roughly 15.6:1 students per teacher. That figure is higher than the state norm's 11.4:1 average. Roughly 40% of students at Hannah Caldwell Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. Set against Union County (around 52%), the school's rate is south of typical.

After controlling for student poverty, Hannah Caldwell Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 44.4%; this one delivers 33.9%.

In the broader community, census data for Union County shows median household earnings sit near $103,202, 39% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. Hannah Caldwell Elementary is one of 180 public schools in Union County (combined enrollment of about 99,046 students).

Nearest neighbor: Union High School, around 0.3 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Hannah Caldwell Elementary comes 4th of 9 in the immediate cluster, beneath the nearby-schools average of 40.8%.

The campus sits in a suburban setting.

Over the past 7-year window. Looking back 7 years, enrollment at Hannah Caldwell Elementary has climbed 63%, going from 498 students in 2018 to 812 in 2025. Hispanic enrollment moved from 25% to 31% across the same window. The student-to-teacher ratio rose from 9.4:1 in 2018 to 15.6:1 today.

Within the allk12 community for this school, members of the Hannah Caldwell Elementary community share and discuss sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.