People handle this situation in different ways and the solution depends on whether it is necessitated by a temporary condition, as well as the pupil's physical abilities, muscle strength, and cognition and memory.
This was first devised by Edgar Matias et al. in 1996[1] and later referred to by Randall Munroe on his xkcd blog.
Ideally, this typist should keep their main hand on FGHJ, but they will inevitably be forced to leave the home keys or stretch like a concert pianist to reach all the letters.
Without using a second hand as an aid (for example, the right shift key), most capital letters require a time-consuming excursion to one side or the other.
[3] Some single-hand keyboard layouts exist, such as the "one-handed Dvorak" and the "left hand Ngaih".