The test results come out towards the end of January.
The test results come out at the end of next month.
I'll know the result at the end of January.
"試験の合否は来年一月下旬です"
- The test results come out towards the end of January.
- The test results come out at the end of next month.
- I'll know the result at the end of January.
試験の合否 = test result(s)
来年一月下旬です = next year, end of January
I won't find out whether I passed or failed my exam until the end of next January.
この場合、次のような言い方ができますよ。
ーI won't find out whether I passed or failed my exam until the end of next January.
「来年の1月末まで、試験の合否はわからない」
whether I passed or failed my exam で「試験の合否」を表現できます。
ご参考まで！
アメリカ合衆国 
カナダ 
