Is it obligatory to perform ablution after passing gas every time, given that its frequent occurrence causes hardship in performing ablution multiple times during the school day?

A teacher who suffers from abdominal bloating and frequent, uncontrollable flatulence is subject to the same ruling as someone with urinary incontinence. They only need to perform ablution the first time they touch the Mus'haf, and are not required to repeat it every time gas is released. The preponderant opinion in the Maliki school of thought permits both the teacher and the student to touch a complete or incomplete Mus'haf.