The INHS Evening Opportunity Class is a four-year curriculum program that caters to students who are intellectually capable but economically deprived. Classes start at 4:30 P.M. and end at 8:30 P.M. daily, Monday to Friday. Saturday classes are held form 7:00 A.M. to 12:00 noon for PEHM and THE. The schedule was specifically tailored to answer the needs of its clients who are working students.