For college admissions we recommend you should start working on admission strategy for at least nine months in advance. However, in order to have enough time and a stress free atmosphere, you should think of starting it one year ahead. After analyzing your profile, there will be an action-plan for improving your profile. Improving some areas of your profile might take more than a few months. Besides, writing admission essay is also a considerable long process. It may require months of brainstorming, editing, drafting and so on. Also you may want to have enough time to prepare for tests, practice, and improvement of your score.