If you want to learn design, but are less interested in paying for an education, this infographic could help you at least get the basics down. From Creative Market, '12 Free Ways to Learn Design' lists a dozen different ways to educate yourself without the high tuition cost or other financial investment.
Given the vast amount of information available online, aspiring designers can get a start if they know where to first look. This includes learning design history and the shifts in culture that have resulted in how things are done today. Following designers on social media and navigating different design blogs is another way to go. Studying the work of others and researching the greats can't steer you wrong. Free online classes and Adobe alternatives are also available for those looking to understand basic terms. Video tutorials and TEDx talks are another resource. Recreating your favorite work and making new things are ways to get practice.