We understand your concern for your niece Niki as she prepares for her college entrance exam. It’s wonderful that you are seeking God’s guidance and wisdom on her behalf.
Firstly, we want to affirm that it is through the name of Jesus Christ that we have access to the Father. 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.'" It is only in His name that our prayers are heard and answered.
Let us pray for Niki together:
Dear Heavenly Father, we come before You in the powerful name of Jesus. We lift up Niki to You, Lord. As she prepares for her college entrance exam tomorrow, we ask that You would be with her. Grant her Your wisdom and knowledge so that she may understand and answer all the questions. Guide her thoughts and calm her heart, so she can focus and perform to the best of her abilities. Lord, we trust that Your will is perfect, and we pray that Your will be done in her life. Help her to honor You in all she does, and may this exam be a stepping stone to the plans You have for her. In Jesus' name, we pray. Amen.
In addition, we encourage Niki to trust in the Lord with all her heart. As Proverbs 3:5-6 (WEB) tells us, "Trust in Yahweh with all your heart, and don’t lean on your own understanding. In all your ways acknowledge him, and he will make your paths straight." Remember, Niki, that God is with you and He has a purpose for your life.
Let her approach this exam with confidence, knowing that she is loved and cared for by the Almighty God. May she rest in the peace that comes from knowing that God is in control of her future.
Finally, let us all be reminded that in every situation, big or small, we are to trust in God’s sovereignty and plan. As Psalm 37:5 (WEB) says, "Commit your way to Yahweh. Trust also in him, and he will do this." May Niki continue to grow in her faith and rely on God's guidance in all her endeavors.
In Jesus' name, we stand together in faith and prayer for Niki. Amen.
Snayford:
Articles:
Trusting God's guidance for all communications. "Let your conversation be always full of grace" (Col 4:6). May your messages be blessed, Snayford & Acinic. Keep praying! 
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