The parent could call the team leader each week for an update. The parent could mail weekly a card to each teacher . The card would simply have spaces for missed work and comments, and is dropped back into the mail. Allow for expedient make up of late or incorrectly done homework. In such a case, the work does need to be completed, but is not fair for a persistent organizational disability to cause excessive and demoralizing deductions.
Graph paper helps line up math problems.
Provide a copy of class notes, or arrange for peer to make carbon copy. Minimize deductions for neatness and spelling. Instead, give extra points for neatness. Liberal use of a calculator. Consider doing every other problem if homework takes too long.