(It shows fake words to prevent people from guessing.)
WordEngine is a computer based English vocabulary assessment test developed by a Prof of Aoyama Gakuin university. I am not convinced of the validity of the method: at the very beginning, I was punished with a yellow card for pushing a wrong button. (Or meme is correct word as they confirmed.) I do not think they can check one’s vocabulary without using a more extensive test. Some of the words, never have I have seen before, but no context was given so it was useless. (Note: It seems they are intentionally inserting fake words. If I know that, I would have scored better. The score method is described below.) You can see the score below, but vocabulary is essential but constructing concept and sentences are more essential. As far as vocabulary is concerned, mine is close to the native or more in science. But I do not know much English in comedy and colloquial expression: especially expressions and words related to pop cultures.
Probably I know about 20,000 English words and perhaps much more, considering that I finished all of my degrees in Canada working on various fields. Getting degrees requires extremely a large number of vocabulary, though physics requires more mathematics and computing skills than words. Retrospectively, if I had my current English knowledge when I was in university, I would have had an easier life: that is, my college life was almost nothing but hell because of the lack of English skill. But when you are in the hell you may not realize you are in the hell since you cannot see the life beyond: the hell becomes the norm of life. That may be a good thing to reduce further suffering. Many people undervalue formal education, but it does provide a solid knowledge background though it may seem intangible.
I do not watch TVs, movies nor read non-fictions. (But I will read more and buy some vocab books.) I have hard time to concentrating watching TVs which I only do while I am flying. The average seems very low. I have never seen TOEIC exams these days — I used its materials years ago for improving my listening skill. But, based on what I got, a serious English teacher should get a high score, though any people who have been using English more than 15 years should have sufficient vocabulary, but not so much accuracy.
Based on this score, there is no course available from this company since I cannot select any class; when I tried to select a class to find out my coverage, it said there was not enough words to learn. My maximum words to learn was 5.