Emmett O' Brien Technical High School, or O' Brien Tech, is a technical high school located in Ansonia, Connecticut.

It is in the Connecticut Technical Education and Career System.

O' Brien Tech receives students from many nearby towns.

[1] In addition to a complete academic program leading to a high school diploma,[2] students attending O' Brien Tech receive training in one of the following trades and technologies:[3] Fall Winter Spring

This Connecticut school-related article is a stub.