Year 12 學校 assessment result 差

各位你好，我仔讀完中四今年去英國讀year 12, 佢揀左Phy, Fmaths, maths, business, 學校啱啱做左第一次assessment, 阿仔成績好差, 我地都好擔心，但估計可能阿仔仲未適應，同阿仔傾時佢話唔知點算，但又未諗會唔會drop科，請問有無家長可以比啲意見我，應該點做好呢？佢學校每個月尾都有assessment, 究竟睇到幾時先決定drop 科定係而家轉科好呢？真係唔知點做呀