Answer : There are quite a few online interior design schools available nowadays. I'll list out a few notable options below!
1) The first one is obviously the Interior Design Institute. They have an extensive course catalog that covers all aspects of interior design, from the history of design to current industry trends. The institute is also accredited by the International Competence for Interior Designers (CID).
2) Sophialearn is another great option for online education in interior design. What's great about them is that they offer very concise and comprehensive courses on specific topics within interior design. So if you're looking to specialization in a certain area of design, such as kitchen or bath design, Sophialearn would be a great place to start your search