Rens Ungdomsskole or Rens Ungdomsfængsel (Rens youth prison), which it is named by former students is a continuation school in Denmark. It is located in the village of Bylderup-Bov in Denmark 
It was founded in 1921 
They can detain 147 students 
During the school year the students are forced to do chores like cleaning and working in the kitchen .
General education on the same level as the publics school are offered. Such facilities have to meet standards by the department of education .
November 2006 it was announced that they have expelled more than a third of their students 
May 2007 several students was attacked by non-ethnic german youth in Berlin, while on a student trip. Several was checked for injuries but were serious hurt 
- Info: Homepage of the continuation school
- Info: Rens Ungdomsskole (Rating of the school), bedoemmelse.dk
- Info: Rens Ungdomsskole, hansen 's blog
- Info: Rens ungdomsskole :O, Sofie's myspace blog
- Forum: hva skete der, a thread in the facebook group "Rens Ungdomsskole Hvad skette der"
- Forum: Efterskole, a thread on Hestegalleri where the school is mentioned
- The facility on Google maps
- Baggrund, homepage of the facility
- Information, homepage of the facility
- Dagligdagen, homepage of the facility
- Bekendtgørelse af lov om folkehøjskoler, efterskoler, husholdningsskoler og håndarbejdsskoler (frie kostskoler) (Law about continuation school and charter schools), retsinformtion.dk
- Efterskole mister 51 elever, by Soeren Lintrup Silkjaer, Jydske Vestkysten, November 10, 2006
- 12 unge danskere kvæstet i Berlin (12 young Danes injured in Berlin), TV2, News, May 24 2007