Apple Losing Out To Microsoft and Google in US Classrooms (macrumors.com)
Apple is losing its grip on American classrooms, which technology companies have long used to hook students on their brands for life. From a report on MacRumors: According to research company Futuresource Consulting, in 2016 the number of devices in American classrooms that run iOS and macOS fell to third place behind both Google-powered laptops and Windows devices. Out of 12.6 million mobile devices shipped to primary and secondary schools in the U.S., Chromebooks accounted for 58 percent of the market, up from 50 percent in 2015. Meanwhile, school shipments of iPads and Mac laptops fell to 19 percent, from about 25 percent, over the same period, while Microsoft Windows laptops and tablets stayed relatively stable at about 22 percent.
I'd just like to interject for moment. What you're refering to as Linux, is in fact, GNU/Linux, or as I've recently taken to calling it, GNU plus Linux. Linux is not an operating system unto itself, but rather another free component of a fully functioning GNU system made useful by the GNU corelibs, shell utilities and vital system components comprising a full OS as defined by POSIX.
Many computer users run a modified version of the GNU system every day, without realizing it. Through a peculiar turn of events, the version of GNU which is widely used today is often called Linux, and many of its users are not aware that it is basically the GNU system, developed by the GNU Project.
There really is a Linux, and these people are using it, but it is just a part of the system they use. Linux is the kernel: the program in the system that allocates the machine's resources to the other programs that you run. The kernel is an essential part of an operating system, but useless by itself; it can only function in the context of a complete operating system. Linux is normally used in combination with the GNU operating system: the whole system is basically GNU with Linux added, or GNU/Linux. All the so-called Linux distributions are really distributions of GNU/Linux!