My son has applied to all the Academies and prior to sending his scores into the Academies he took several practice SAT's and ACT's. When he was done taking tests, and ready to send in his scores to the Academies he had them send his best scores, which happened to be his SAT's. He only did average on his ACTs, so we decided to focus on his SAT's and he studied for those and did reasonably well. We only told Collegeboard to send in the best combination of SAT scores. We didn't even bother...
ACT & SAT practice scores being reported on HS Transcript
ACT & SAT practice scores being reported on HS Transcript