ED Admission Rate and ACT/SAT percentiles?

Hello, next year I intend to apply to Colby in ED2. I plan to take the ACT in October and expect to get about 33 to 34. My weighted GPA is approx 4.5 but my unweighted GPA is only 3.65. My essay is not good at all, but I have many academic prizes… extracurricular activities are fine… More importantly, I’m an international student and I really need fin aid.

Could anyone tell me about my chances? What was last year ED (especially ED2) admission rate?

Thanks all you guys!