NEW STUDENTS. When you select the LTC course, you will be redirected to HarkinsSecurity.com where your student account and course enrollment will be completed. All coursework will take place on the HarkinsSecurity.com site. . Showing the single result Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Texas LTC Online Course (Classroom Instruction & Exam) – 87(R) version (HS) $69.00 Buy product