Germany is an excellent place to study the German language, with many quality language schools throughout the country. Here are some options:

  1. Goethe-Institut: This is the cultural institute of the Federal Republic of Germany with a global reach. They offer high-quality German courses in many German cities, including Berlin, Munich, Hamburg, and others.

  2. Humboldt-Institut: With various locations throughout Germany, this institute offers intensive German courses and is particularly known for its summer courses for kids and teenagers.

  3. DeutschAkademie: Located in Berlin, Munich, and other cities, DeutschAkademie offers a variety of courses at all levels, with an emphasis on active speaking.

  4. Carl Duisberg Centren: With locations in Berlin, Cologne, Munich, and Radolfzell, the Carl Duisberg Centren offer a variety of courses, from intensive courses to TestDaF preparation.

  5. DID Deutsch-Institut: This institute offers a variety of courses in numerous locations including Frankfurt, Hamburg, Berlin, and Munich. They cater to adults, juniors, and offer university placement services as well.

  6. GLS Sprachenzentrum: Based in Berlin, this school offers German courses for adults and juniors. They also have special courses like German + Internship, German + Music, and more.

  7. F+U Academy of Languages Heidelberg: One of the largest language schools in Europe, F+U offers a wide range of German courses at all levels, including TestDaF preparation.

  8. Sprachcaffe: With locations in Frankfurt, Düsseldorf, and Munich, Sprachcaffe offers a relaxed, informal setting to learn German.

When choosing a course, consider your goals (whether you want to learn for fun, work, study, etc.), the location you prefer, the time you have available, your current level of German, and your budget. Also, check if the courses are certified by the German government and if they offer preparation for German language certifications like TestDaF or DSH.