Due to the growth of the city of Buffalo Grove, the schools united into one in the 1960s.

All projects were funded by a $18 million bond, approved in 2018 by the Board of Education.

[10] During the COVID-19 pandemic, D102 remained remote in operations and utilized online technology to facilitate learning.

In July 2020, it was announced that students would remain in fully remote learning at least through Oct. 5 of that year.

[11] For the 2021–2022 school year, the district began operating in a hybrid capacity, with some classes fully remote, some virtual, and some a mix of the two.

[14] She was eventually sentenced with 5 years of probation, after making an apology in court.

[16] In August 2014, a former public speaking teacher at Meridian Middle School (John C. Vastis) was arrested by ICE and Homeland Security on charges of receiving child pornography and persuading a minor to produce pornographic images of himself.

In January 2017, Vastis was formally sentenced to 13 years for one count of accessing child pornography with the intent to view.