The coaching is obviously not the problem. The team is not much different than under Weiss.
When you see Notre Dame succeed at the highest level again it will be because they changed their policies regarding student athletes.
There are far too many top recruits who do not qualify to enter Notre Dame.
http://admissions.nd.edu/admission-and-application/prospective-first-year-students/application-faq/
What type of classes should I be taking in high school?
Applicants to Notre Dame are encouraged to take the most demanding curriculum offered at their high schools. Usually this includes four years of English, math, foreign language, science, and history. The minimum requirements, however, are as follows:
•For students intending to enter the College of Arts and Letters or the Mendoza College of Business, excluding the Arts and Lettrs premedical/predental program and the combined Arts-Engineering program, the 16 required units must be distributed as follows: 4 units of English; 3 units of math, including Algebra, Advanced Algebra, and Geometry; 2 units of foreign language; 2 units of history; and 3 units of additional history, science, foreign language, mathematics, and English courses.
•For students intending to enter the College of Science, the College of Engineering, the School of Architecture, the Arts and Letters premedical/predental program, or the combined Arts-Engineering program, the 16 required units must be distributed as follows: 4 units of English, 4 units of mathematics, including algebra, advanced
algebra, geometry, and advanced mathematics (e.g., trigonometry, pre-calculus, or calculus); 2 units of foreign language; 1 unit of chemistry; 1 unit of physics; and 2 units of additional history, science, foreign language, mathematics, and English courses.