The term SCH. OF TECHNOLOGY can be broken down into two parts: SCH. and OF TECHNOLOGY. The acronym INST, which stands for Instructor, is a four-letter word that can be used to complete the crossword. An Instructor is someone who teaches or imparts knowledge in a particular subject or skill. They are usually employed by educational institutions such as schools, universities, and technical colleges. In this case, the Instructor would likely be employed by a School of Technology, which is an institution that specializes in teaching students about technology and related fields.