Answer : The interior design course can be expensive, depending on the specific program you choose. Many students finance their education through loans, and the average tuition for an accredited program can be upwards of $30,000. However, there are many ways to reduce the cost of your education. Some schools offer scholarships and financial aid packages, and there are also a number of free or low-cost online courses available. In addition, many interior designers start their own businesses once they have completed their training, which can help offset the cost of tuition. Overall, the interior design course can be expensive, but there are a number of ways to reduce the cost of your education.