Letters for missing schoolchildren who are among the unaccounted for passengers trapped in a South Korean capsized ferry, which read 'Please come back' and 'I miss you', are posted on the window of a locked classroom at Danwon High School in Ansan. Picture: KIM DOO-HO

Ansan, South Korea -

Senior classes resumed on Thursday at the South Korean high school devastated by the loss of around 250 students in a ferry disaster that has made the school a focus of profound national grief.

The final-year students from Danwon High School in Ansan city just south of Seoul returned to their classrooms which have remained empty since the ferry carrying 325 students on a school trip to the southern resort island of Jeju capsized and sank on April 16.

Junior classes will start next Monday, a provincial education official said, adding that he was “unsure” when the surviving members of the 11th grade class - which was taken on the Jeju trip - would resume their studies.

Across the road from the school, thousands of people paid their respects for a second day at a special memorial to the student victims in an indoor sports stadium.

More than 12 000 mourners visited the memorial when it opened on Wednesday.

Danwon High students made up the vast majority of the 476 people on board the Sewol ferry and an even larger portion of the victims.

Of the 174 people who were rescued only 75 were students. - Sapa-AFP