Any good MBA schools (full time) for 35 years old?

Motivation letter/Statement of Purpose is a one-page essay on why you want to do MBA.

Wouldn’t those be school specific? As far as I know most school usually have their own set of questions that applicants need to answer.

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First things first, don’t be set on going for a full-time MBA. Someone with your work experience would benefit the most out of an Executive MBA. It will update you on the current business practices and an MBA education without the hassle of a full-time program.
However, even a full-time program with a short duration might work for you.
Anyway, you might have your resume, motivation letter, and two recommendation letters ready but might need to scratch all of those except for the resume.
Schools have their own essay questions that you need to answer in order to complete your application. even letters of recommendation can have a format set by the school. thus, preparing your application before even selecting the school won’t work.
Next, you would be required to improve your GMAT score. a GMAT score of less than 700 might not be a good one if you decide to go to a top school.
Try these full-time programs. To make it convenient for you I’ll add the average age of students at these programs as well.
Program : Average Age
HULT MBA : 29
Cornell one year MBA : 29
Kellogg one year MBA : 28
Stanford Msx :34
MIT Sloan Fellows : 34
USC IBEAR :33
Foster GEMBA : 37
Emory one year MBA : NA
Michigan Ross Global MBA : 30
LBS Sloan program : 37