You have seen dozens of ads for English courses, all promising fast fluency, native teachers, and low prices.
The problem is that most of them sound the same until you have already paid and discover that the group has twenty people or that the instructor reads from a book without ever correcting you.
Choosing a good English course does not depend on advertising; it depends on a few specific signs that you can check before committing your money and time.
Before enrolling, feel free to ask for this information. A language school has no problem sharing information regarding:
The most frequent mistake is choosing based on price without asking what that price includes.
A cheap course with groups of twenty people ends up costing more in wasted time. Another mistake is assuming that being a native speaker is synonymous with being a good teacher; speaking a language and knowing how to teach it are different skills.
It is also common to enroll without taking a prior level assessment, which leads to classes that are too easy or too difficult from the very first week, and that is usually the real reason behind most dropouts.
An app can help you memorize vocabulary, but it cannot correct your pronunciation in real time or adapt an explanation when something is not clear to you.
A certified instructor identifies the specific mistake you are making (not just that you made a mistake) and adjusts the class according to how you learn.
For adults with specific goals, whether for work, travel, or an exam, that human guidance usually makes the difference between advancing and staying stuck at the same level for months.
Ask how many people are in each group before enrolling, because this data directly affects how much you are going to speak in each class.
In a group of fifteen people, the actual oral practice time per person is minimal. In a group of four or five, everyone practices several times per session.
If your goal is to gain fluency and not just accumulate theory, the size of the group matters just as much as the instructor themselves.
A good English course does not choose between grammar and conversation; it combines both according to your level.
At the beginning, you need structure so you don’t memorize isolated phrases without understanding why they work.
From an intermediate level onward, the focus should shift toward real oral practice, because that is where most adults get stuck.
If a course only offers exercise books with no room for conversation, it will probably not take you where you want to go.
The simplest way to evaluate all of the above is to take a trial class. There you can see the actual size of the group, how the instructor corrects, and if the pace fits your level.
Our online conversation classes are a great way to feel that difference before enrolling in a full program, because they show you exactly what it feels like to learn with immediate feedback and a small group.
The best way not to waste your money is to apply these exact criteria before enrolling in any program: a certified instructor, a small group, a level assessment, and a real trial class.
At Lingua Learn Costa Rica, we meet all five points on this list. Discover our online English course and schedule your trial class to see for yourself.