2 sentences for 家长会 (jiā​zhǎng​huì — conference)

1. 老师明天下午要召开家长会。

   lǎo​shī míng​tiān xià​wǔ yào zhào​kāi jiā​zhǎng​huì.

   The teacher is going to hold a parent-teacher meeting tomorrow afternoon.

   Source: Dong Chinese Dictionary

2. 学校通知各位家长准时参加明天的家长会。

   xué​xiào tōng​zhī gè​wèi jiā​zhǎng zhǔn​shí cān​jiā míng​tiān de jiā​zhǎng​huì.

   The school has notified all parents to attend the parent-teacher meeting on time tomorrow.

   Source: Dong Chinese Dictionary