2002 - 2006
Yearly ongoing formative evaluations at University of Saarland with computer science 2-4 year students.

2004, 2005, 2006
Yearly formative evaluations with maths students at Marish University of Yoshka Ola, Russia. Formative classroom evaluations of courses: Operations Research and Optimization Marish University of Yoshka Ola, Russia

Spring 2006
Ongoing and formative classroom evaluations at the University of Edinburgh of LeActiveMath with calculus content.

Oct 2004- Febr 2005
Gesamtschule Bellevue, Saarbrücken c. 70 students, 6th grade classroom formative evaluation with fraction course.

2003-2005
HTW des Saarlandes, 100 students, statistics content

Fall 2005
formative classroom evaluations of LeActiveMath with calculus content 107 Schüler an 3 Gymnasien

2005 September (teacher Florian Rösner)
Formative classroom evaluations of Matheführerschein with 43 school students of the Friedrich-List-Berufskollegs in Dortmund (Germany).

• 12 school students (11th grade) doing a two year höheren Handelsschule (HH) training to accquire the Fachhochschulreife,
• 9 school students (12th grade) doing a Bildungsgangs "Allgemeine Hochschulreife"

2005 October
Formative classroom evaluations of Mathef¨hrerschein with JCS-Gesamtschule-Nordkirchen (teacher Sandra Rindelhardt).