School holidays change again: Here's how next school year's curriculum will look like

According to the new school curriculum, instead of the autumn break, primary school students will have an extended weekend lasting three days, while high school students will have a winter vacation seven days shorter than elementary school students.
The mentioned changes that were published in the new Educational Gazette led to thinking why the shortening of autumn and winter holidays was necessary in the next school year, what were the calendars so far, and on what basis is it decided?
What can be concluded from the mentioned calendar for now is that the first semester for primary school students will start on Thursday, September 1, and will end on Friday, December 30, while the second semester will start on January 23, 2023 and will last until 6 June for eighth graders, i.e. June 20 for students from first to seventh grade, writes Blic.
When it comes to high school students, the beginning and end of the first semester will not differ from the eighth, while in the second semester there will be visible changes, i.e. it will start for them 7 days earlier, i.e. from January 16, 2023, and will end on June 20th.
If you compare the calendars for the school year 2021/2022 and 2022/2023 year, it is evident that in the school year that is coming to an end there was no shortening of autumn and winter holidays, i.e. that in the school year 2021/2022, the autumn break lasted from January 8 to 14, and the second semester began for high school students on January 24, in the same time as for elementary school students, and not as planned for the next school year - January 16.
As explained by the Ministry of Education for Blic, the calendar of educational work or school curriculum is adopted for each school year, adjusting to the annual calendar, i...