Summer Vacations

ESTs end on 1st June but the summer vacations are starting from 9th June , 2025 according to this. What’s this period between 1st June to 9th June ? Non-Teaching week ?

Also how long do these summer vacations last ? I am expecting atleast 1.5 month

ESTs end on 1st June but the summer vacations are starting from 9th June , 2025 according to this. What’s this period between 1st June to 9th June ? Non-Teaching week ?

Also how long do these summer vacations last ? I am expecting atleast 1.5 month