我自己英文也不是很好請見諒 ><"

I am not very sure what do you mean but, I tried to figure out what are you trying to say and I have written the Chinese subs blow each paragraph.

我不是很確定妳想表達的內容但我是嘗試去猜測妳的想法.我在每個小段的下方都有放中文解釋.

Look back at three years of my high school life, l feel very enriched. Although I have often wanted to graduate as soon as possible, I have wonderful memories during these days in high school.

回顧過去3年的高中生活我感到很充實. 雖然我時常想要快點畢業但在學校的日子裡讓我有美好的回憶

Although I tend to doze off occasionally, I still tried my best to focus on my lessons. Generally, I think I am a good student.

雖然我不時會打瞌睡但我還是努力的認真聽課, 大致上來我我認為我算是個好學生.

There were always very crowded in the canteen during lunch break. However, that did not keep me away from the canteen, my desire for food drove me to rush for food before others arrived.

午餐的時候食堂都會是滿滿的人, 這但並沒有阻止我上食堂. 我對食物的慾望讓我在別人到食堂之前先衝去食堂.

There were plenty of exams, and I have high expectation for myself. I will feel pleased when I had achieved my goals and feel demoralised when I have not achieved them.

有很多的考試, 我對自己的要求很高. 當我達成我的目標的時候我感到開心, 當我沒達成時我感到士氣低落.

I did my homework and memorising vocabularies together with my close friends. We may be separated after we have graduated from school but we will not forget the pressures memories we shared together.

我跟我個好朋友們一起寫作業一起背單子, 我們在畢業後可能會更崩東西但我不會忘記我們共同的珍貴回憶

The high school life is the best time we ever had.!

高中生活是我們最好的時光!