Here are a few books, websites, and people that I recommend.
For College Admissions:
Get Your Kid Into The Right College. Get The Right College Into Your Kid, by David Altshuler.
Love the Kid You Get. Get the Kid You Love, by David Altshuler
Admission Matters: What Students and Parents Need to Know about Getting Into College, by Sally Springer, Jon Reider, and Joyce Morgan
Colleges that Change Lives, by Loren Pope.
The 2019 edition of the Fiske Guide to Colleges
For Financial Aid:
Don't Miss Out: The Ambitious Student's Guide to Financial Aid, by Anna & Robert Leider.
For Emotional/Behavioral Special Needs:
Addictive Thinking: Understanding Self-Deception, by Abraham J. Twerski
What Now? How Teen Therapeutic Programs Could Save Your Troubled Child, by Dr. Paul Case
For Students with Learning Differences:
The Myth of Laziness, by Mel Levine, M.D.
Lost at School, by Ross W. Greene, Ph.D.
Raising Healthy Kids in an Unhealthy World, by David Altshuler
Unconditional Parenting, by Alfie Kohn
The Shelter of Each Other, by Mary Pipher, Ph.D.