The SAT Reasoning Test with essay costs $57 ($85 if late), the AP Tests cost US $93 as of 2017, and taking AP exams is often a requirement for students taking AP classes,  and the SAT Subject Tests cost a baseline of $26 with a $20 fee for each test.  Furthermore, there are numerous other services that can be added to the basic costs, including late registration, score verification services, and various answering services that are available. SAT score reports cost $12 per college for 1–2-week electronic delivery, or 2–4-week paper or disk delivery, depending on what method the school requires ($31 extra for two-day processing). College Board allows high school administrators to authorize fee waivers for some services to students from low-income families, generally those meeting National School Lunch Act criteria.  In addition, due to the competitive nature of the test, many students find it necessary to take preparatory courses or to have SAT tutoring, which can cost hundreds, sometimes thousands, of dollars.