From the Hans Christian Andersen biography "The Life of Hans Christian Andersen. Day By Day", written by DPhil Johan de Mylius:
1822
26 October
HCA arrives in Slagelse. Because he lacks skills in most subjects, the school places him in the 2nd grade amongst boys aged 11-12. He lodges with Madame Henneberg, widow of the inferior court judge.
Christmas break
Accompanies Meisling to Copenhagen during the Christmas break, where he visits Collin at his home.