The foreshadowed battle between Macbeth and Macduff can be described as Irony
Adults probably wouldn't be able to get a job if they wouldn't be able to read. If you can't read then you can't learn. A lot of jobs depend on reading.
Most boys went to school. Poor girls couldn’t go, and wealthier ones were usually tutored at home. The uniforms were drab and most teachers were male.