Mckinney North High School performed excellent to earn a State accountability rating of A (90-100) based on three domains: student achievement, school progress and closing the gaps. Scores are scaled from 0 to 100 to align with letter grades. The school scored 95 in student achievement, 89 in school progress and 94 in closing performance gaps. It scored 95 overall in post-secondary readiness, a broad term that refers to student preparedness to undertake multiple pathways after graduation, or specifically, their preparedness for college education.

On the other hand, Mckinney High School also performed excellent to earn a State accountability rating of A. The school posted 90 in student achievement, 90 in school progress, 94 in closing performance gaps and 91 overall in post-secondary readiness.

A distinction designation acknowledges districts and campuses for outstanding achievement based on the outcomes of several performance indicators. Distinction designations are awarded for achievement in several areas and are based on performance relative to a group of campuses of similar type, size, grade span, and student demographics.

It is in this area where the two schools differ. Mckinney North High School’s two out of seven distinctions are in post-secondary and 25% closing performance gaps. Mckinney High School's five out of seven distinctions are in Mathematics, Social Studies, post-secondary, with 25% student progress and 25% closing performance gaps.

Based on Racial/Ethnic Groups, Whites or Caucasians comprise the biggest group at Mckinney North High School. They make up for 38.84% of student population, followed by Hispanics (26.03%), African Americans (20.27%), Asians (9.35%), Two or More Races (5.04%) and Native Americans (0.43%).

The student population at Mckinney High School is also predominantly by Whites or Caucasians at 36.60%, followed by Hispanics (34.83%), African Americans (19.18%), Asians (4.88%), Two or More Races (3.87%) and Native Americans (0.49%).

Based on household incomes, the Mckinney North High School’s economically disadvantaged students is significantly lower at 27.10% compared to 41.07% at Mckinney High School.

In terms of Limited English Proficiency (LEP), a term used in the United States that refers to a person who is not fluent in the English Language, mainly because it is not their native language, Mckinney North High School has 179 English Language Learners or ELLS or about 7.64% of student population. Mckinney High School has significantly more ELLs at 382 or about 14.34% of student population.

In addition, Mckinney North High School has 7.34% bilingual students, 11.78% are in the gifted and talented program, while 10.67% are in the special education program. This stacks up against Mckinney High School with 14.11% bilingual students, 12.35% gifted and talented students and 13.29% students in the special education program.

Mckinney North High School's 146 teachers have been working at the campus for an average of 7.5 years with individual teaching experience averaging nearly 12.4 years. Mckinney High School's 181 teachers have been working at the campus for an average of 7.2 years with individual teaching experience averaging close to 11.4 years.

Of its teaching staff, Mckinney North High School has five teachers serving the school for over 30 years, has 30 teachers serving the school for 20-30 years, 40 teachers have worked for 11-20 years, 31 teachers have worked for 6-10 years, while 32 teachers have been serving the school for over 1-5 years, including eight beginning teachers. Mckinney High School has four teachers serving the school for over 30 years, has 29 teachers serving the school for 20-30 years, 49 teachers have worked for 11-20 years, 41 teachers have worked for 6-10 years, while 49 teachers have been serving the school for over 1-5 years, including nine beginning teachers.

In both schools, female teachers outnumber the male teachers. Mckinney North High School employs 80 female teachers and 65 male teachers. Of its teaching staff, 24 teachers are in special education without any assistance. The school also employs eight staff members in the school administration department and 11 more working as school support staff.

On the other hand, Mckinney High School employs 107 female teachers and 74 male teachers. Of its teaching staff, 30 teachers are in special education without any assistance. The school also employs nine staff members in the school administration department and 14 more working as school support staff.