Xuéxiào jǔbàn le yī chǎng jiàoxué fāngfǎ de yántǎohuì.
The school held a seminar on teaching methods.
Tips
usage
研讨会 (yántǎohuì) = seminar/symposium, one of the most common collocations. 研讨 implies serious academic or professional discussion, not casual conversation.