1, the focus is on the mind, the amount of money is not important, the mind is the most important, so it is appropriate for my niece to give 1500 yuan.

2. There is no regulation on how many red envelopes a niece can get for college entrance examination. It depends on the individual's specific economic situation. Some people have good family economic conditions, but there is no pressure. It doesn't matter if a red envelope costs one or two thousand. As the saying goes, courtesy is reciprocated.