<ol><li>It's better to say 'My English Level is probably B1'.</li><li>to meet someone (not 'with').</li><li>To study at university/to study at school. For exmaple, I want to study at university because my mother worked at a university. You should revise the use of articles with such words as 'school, hospital, university'.</li><li>'Please correct my mistakes if there are any'.</li><li>...looking for A native English speaker.</li></ol>