The title of this dataset is jumlah-sekolah-guru-murid-dan-ruang-kelas-menurut-jenis-sekolah-2011-2016, with type is CSV, so you can easily access it. If you not understand, the title means the number of school, teacher, student, and classroom according to the type of school 2011 - 2016. I think, if you just read from the title, you can imagine the contents.  So this dataset have 50 observations and 8 variables, taken from 2011 until 2016.

In general, this dataset is about the quality of education in Jakarta, which each year some of school level always decreasing and some is increase, but not significant.