In America, over 75% of the primary and secondary grade teachers are female. Additionally, quite clearly more females' graduate high school than males, and as reported by the washingtonpost.com: "In the 2009-2010 academic year, women earned 57.4 percent of all bachelor’s degrees," truly demonstrating the dominance in college degrees for females. But if we were to take a look behind the curtain in regards to IQ scores or its equivalency between males and females utilizing the Raven's Progressive Matrices test, as reported by psychologytoday.com which found that while "Setting the male score at 100, Flynn found that women scored the lowest in Australia (99.5), but in the other 4 nations Raven's scores varied from 100.5 to 101.5," or a not appreciably difference between the sexes. In regards to SAT scores, however, males on the math portion of the SAT have statistically dominated females over the past fifty years, with as reported by aei.org, the 2016 SAT Math test results for the average American male scoring at 524 v. the American female scoring at 494. In regards to the verbal SAT test, as reported by humanitiesindicators.org males have consistently scored higher but the gap has been narrowing in which females were just four points behind males in 2015, and as also reported by humanitiesindicators.org on the SAT writing test, females have consistently scored higher than males, with a gap of 12 points (490 v. 478) in 2015.
All of the above, clearly indicates that males are not inferior to females in regards to intelligence as demonstrated by their scoring amounts on national testing exams, and in fact, males in aggregate, are meaningfully more proficient in regards to math skills, making it rather perplexing as to why the percentage of males attending as well as graduating from college has over recent decades declined in proportion to females, so dramatically.
While there are many theories as to why this is so, perhaps a contributing factor is that males are more inclined to join the military, or blue collar professions which are male dominated such as construction, plumbing, and electricians, while also avoiding collegiate pursuits such as nursing and teaching which are female dominated, yet that still doesn't feel like the full answer.
One theory, though, is as simple as "birds of a feather, flock together", so that because males from the time of their first entry into school, until their last day of secondary school, are taught overwhelmingly by female teachers, not male teachers, and because the role model of a male teacher is so often missing in action, that male students subsequently have less focus on attending college because implicitly they see further post-secondary education as suggestively female-centric. Further to the point, in general, as suggested by books such as "Men are from Mars, Women are from Venus" there is the perpetuation of the feeling and belief that females best understand other females, and that males best understand other males, so that the extra meeting of the minds that female students have from being taught by primarily female teachers, encourages them to go ahead and get that college education, to the detriment of male students.
In a country in which the traditional nuclear family has markedly disintegrated over time, and in which more families are led by single family mothers than at any other time in our history, male students may very well need to see more positive male role models teaching at the school that they are attending in order to help them focus on important future goals that will benefit them and society, to wit, more male teachers that can identify and empathize with them on a personal level would be markedly beneficial.