Who gets to receive the full benefit of a college education? Few questions have a more profound impact on society — on social mobility, our politics, even our health.    The Chronicle of Higher Education is seeking a senior reporter to cover the impact of higher education on its most important clients: students, particularly those who have traditionally been underrepresented across the sector or find it more difficult to navigate. “Student-centered” higher education is a phrase campus leaders, faculty, and staff often use. Are colleges living up to it? Your work will doggedly explore the motivations and needs of increasingly diverse student populations and how a broad range of institutions — including public regionals, small privates, community colleges, and for-profit ins