Globalization of industry and the expansion of the internet continues to bring people at great distances closer together, which increases our need to understand multiple languages. Even with the many online tools you can use, it is still better to actually learn other languages as there are many benefits you get from the process of learning a different language system.
In addition, though, you can also gain a lot of benefits to studying another language with other students (as opposed to trying to learn it at home, on your own). When you take a class at a language school, for example, you enjoy the knowledge that they have already helped 150,000 people improve their English, French, or Spanish language proficiency.
Yes, you can learn any language at home, on your own time and on your own terms, by using various home lessons and online tools. There is nothing more flexible than scheduling your own appointments. However, any great school knows that working adults are very busy and need flexibility to work around jobs and home lives. These programs let you choose when you study and how often, with no time limits to restrict your learning—you learn at whatever pace best serves you and your time. You can attend class in the morning, afternoon, or evening, Monday through Saturday.
While you are a working adult, that does not mean you just have a whole bunch of money to invest in a language program, especially if you are choosing to learn this language of your own accord (and not, for example, for your work). You need to invest in quality education, of course, but that education shouldn’t force you to go into great debts. A good language school will have monthly budget options and other strategies for helping you cover the costs of your education.
At the end of the day, you really need a program that is available to you when you need it and moves along with you as you progress. Finding a program with a handful of difficulty levels ensures you have the most proficient learning available.