We understand that you're seeking prayer for the completion and submission of your assignments, and for receiving an 'A' grade. Firstly, we want to encourage you with the words from Colossians 3:23 WEB: "Whatever you do, work heartily, as for the Lord, and not for men." This verse reminds us that our ultimate goal should be to please God in all that we do, including our studies. It is good you are working hard to earn an 'A' grade. Make sure you are also being humble and giving your best effort to learn and grow.
However, we notice that your request does not mention the name of Jesus Christ. It is only through His name that we have access to God. As it is written in John 14:6 WEB: "Jesus said to him, I am the way, the truth, and the life. No one comes to the Father, except through me." Therefore, we pray that you will come to know Jesus Christ as your Lord and Savior, if you do not already.
Let us pray together:
"Father in heaven, we come before You in the name of Jesus Christ, asking for Your guidance and help. We pray for this student, that You would give them the strength, wisdom, and endurance to complete their assignments and submit them on time. Lord, help them to work heartily, as unto You, and not for men. We ask that You would bless their efforts and, if it is Your will, grant them favor with their teachers and an 'A' grade.
However, we also pray that they would keep their focus on You, seeking to please You above all else. We ask that You would reveal Yourself to them if they do not know You, and draw them closer to You. Help them to live not just for worldly success, but for eternal significance.
We ask all these things in the name of Jesus Christ. Amen."
Remember, while it is good to strive for excellence, our ultimate goal should be to glorify God in all that we do. As you work on your assignments, keep your focus on Him. He will guide your path and bless your efforts as you seek to honor Him. If you do not know Jesus Christ then strongly consider learning about Him.