张家口市作为河北省的一个地级市，拥有着丰富的教育资源。在这个美丽的城市里，高中教育也得到了广泛的发展。那么，究竟张家口市有多少所高中呢？

据统计，截至2023年8月，张家口市共有高中学校约40所，覆盖了该市各个区县。这些高中学校不仅数量可观，而且质量也相对较高。其中，一些知名的高中学校如张家口一中、张家口二中等，以及一些示范性高中学校如张家口市第十中学、张家口市第十七中学等，都在为学生提供优质的教育资源。

English Translation:

As a prefecture-level city in Hebei Province, Zhangjiakou has abundant educational resources. In this beautiful city, high school education has also been widely developed. So, how many high schools are there in Zhangjiakou?

According to statistics as of August 2023, there are approximately 40 high schools in Zhangjiakou, covering various districts and counties of the city. These high schools not only have a considerable number but also maintain a relatively high quality. Among them, some well-known high schools such as Zhangjiakou No.1 High School, Zhangjiakou No.2 High School, as well as some demonstration high schools like Zhangjiakou No.10 High School, Zhangjiakou No.17 High School, are all providing students with high-quality educational resources.