Studienkreis is located in Wolfratshausen, Germany on Obermarkt 23 ·. Studienkreis is rated 3 out of 5 in the category tutoring centers in Germany. Address. Wallstr. 78; 50321 Brühl, Nordrhein-Westfalen, Germany ... Studienkreis-Nachhilfe, Brühl, Nordrhein-Westfalen, Germany. ... Schülerhilfe (Frechen).