1. Express your blessing and encouragement to your son: Tell your son how proud and happy you are, because he has grown into an excellent student. Encourage him to continue his efforts, not only in his studies, but also in other aspects of his life.

2. Thank the whole family for their efforts in this process: the school banquet is not only the honor of the son, but also the result of the joint efforts of the whole family. We should thank and praise the efforts and contributions of the whole family. I hope the whole family can continue to work hard for their son's development in the future. We should constantly support and encourage our son and help him overcome difficulties and achieve higher goals and ideals.

3. Add some personal feelings and memories: for example, review some special moments and events during the son's growth and express his feelings and experiences. This will not only deepen the affection between mother and son, but also allow other family members and guests to integrate into this special moment.

Matters needing attention in holding a school banquet:

1. Determine the time and place, book the restaurant or venue in advance, and ensure that the venue is clean and tidy, and the seats and space are comfortable and spacious.

2. Invite friends and relatives to attend, and be sure to send an official invitation letter in advance to confirm the attendance and food arrangement.

3. Prepare exquisite foods and drinks, and recommend some favorite foods and special snacks. Finally, prepare some performances and game programs to strengthen the interaction of the atmosphere.