Brownstone Tutors | 34 followers on LinkedIn. We train NYC students for admission to competitive colleges, top-tier independent schools & magnet public schools. | Brownstone Tutors is New York City’s premier source for test prep and academic coaching. For more than a decade, we’ve been training students for admission to highly competitive colleges, top-tier independent schools and magnet public high schools. The secret to our success: uncompromising standards and deep understanding of each student’s individual needs.