This document summarizes a study that investigated in-service English language teachers' knowledge of integrating technology into the classroom. The study examined teachers' levels of knowledge in the areas of technology, pedagogy, content and their intersections (TPACK framework). It found that teachers' technology knowledge was not as strong as their pedagogy and content knowledge. There were significant correlations between most TPACK components, except the relationship between content and technology. Teachers' age and experience levels correlated with some TPACK areas as well. The document provides context on the TPACK framework and reviews several other related studies.