The typical school year in the United States lasts about 180 school days, which translates to roughly 36 weeks of instruction. However, the exact number of school days can vary by state, ranging from a minimum of 160 days in Colorado to a maximum of 186 days in Kansas. Most states have around 180 school days as the standard. School holidays and breaks are also factored into the overall calendar, with summer vacation lasting several weeks depending on the region.
In other countries, the length of the school year may differ. For example, in Italy, the school year typically runs from September to June, lasting about 40 weeks in two terms.