Which of the following should be included in a parent letter when requesting ideas for the conference agenda?

Including confirmation of the date, time, and location of the conference in your parent letter is essential because it provides parents with important logistical information necessary for their planning. By clearly stating these details, you ensure that parents can prioritize attendance at the conference and prepare for the event accordingly. This proactive communication helps to reduce any confusion or miscommunication regarding the conference arrangements, fostering better participation.

While the other options have their own merits, the confirmation of logistical details is fundamental to engaging parents effectively and encouraging their involvement in the conference.