Original sentence: DIS began as the 'Pawen International Community School' with 9 students but by the end of the first year in June 1992 had risen to over 170 students.It was an office building originally used as a torpedo factory during World War II.The building was renovated and an art suite was added in the roof space.The school began in Schrutkagasse in the 13th District of Vienna (which now houses a Rudolf Steiner School).The school relocated to a building at Gudrunstrasse 184, in the 10th District, which was home to DIS for 7 years - from 1992 to 1999.The school then moved to an old listed building, in the 2nd district (Josef Gall Gasse, 2) beside the Donaukanal (danube canal)
Edited sentence: DIS was then known as the 'Pawen International Community School' with 9 students but by the end of the first year in June 1992 the intake had risen to over 170 students.The school began in 1990 as a response to quotas imposed by the other International Schools in Vienna which had restrictions on the number of Austrians that could attend their schools.The school began in Schrutkagasse in the 13th District of Vienna (which now houses a Rudolf Steiner School), and then  relocated to a building at Gudrunstrasse 184, in the 10th District, which was home to DIS for 7 years - from 1992 to 1999