Can someone find more compelling data that shows students spend more time with their parents than with their teachers? Perhaps even with a live data source?

school_vs_parent_time.py

school_days_per_year = 180 # https://nces.ed.gov/surveys/sass/tables/sass0708_035_s1s.asp - Day & Hour Numbers
hours_per_school_day = 6.5
hours_per_school_year = school_days_per_year * hours_per_school_day

oecd_hours = 6732 # http://www.oecd.org/education/skills-beyond-school/48631122.pdf - Hours for enrolled countries
oecd_start_age = 7
oecd_end_age = 14
oecd_years = oecd_end_age - oecd_start_age
hours_per_oecd_year = oecd_hours / oecd_years

men_time_w_children_per_day = 1.46 # https://www.bls.gov/tus/tables/a1_2015.pdf - Time Spent /w Children
women_time_w_children_per_day = 2.13
hours_per_parent_day = (men_time_w_children_per_day + women_time_w_children_per_day) / 2
days_per_year = 365
hours_per_parent_year = hours_per_parent_day * days_per_year

"""
Everything beyond this point is pure conjecture - you have been warned
As you can see I go on the general consensus of "how things are" as
opposed to any actual data.
"""
sleep_hours = 8
hours_per_day = 24
work_hours_per_week = 40
work_days_per_week = 5
days_per_week = 7

free_days_per_work_week = days_per_week - work_days_per_week
hours_per_work_day = average_work_hours_per_week / work_days_per_week
waking_hours = hours_per_day - sleep_hours
kid_hours_per_workday = waking_hours - hours_per_work_day
kid_hours_per_free_day = waking_hours

weeks_per_year = 52
work_weeks_per_year = 50

free_weeks_per_year = weeks_per_year - work_weeks_per_year
work_days_per_year = work_weeks_per_year * work_days_per_week
free_days_per_year = (free_days_per_work_week * work_weeks_per_year) + (days_per_week * free_weeks_per_year)

guess_parent_hours_per_year = (kid_hours_per_workday * work_days_per_year) + (kid_hours_per_free_day * free_days_per_year)

print("school_hours:", hours_per_school_day)
print("school_days:", school_days_per_year)
print("hours_per_school_year:", hours_per_school_year)
print()
print("parent_hours:", hours_per_parent_day)
print("parent_days:", free_days_per_year)
print("hours_per_parent_year:", guess_parent_hours_per_year)
print()
print("US Students spend 3x and EU Students spend 4x as much time with their parents as they do their teachers.")
print("parent/us_school:", guess_parent_hours_per_year/hours_per_school_year)
print("parent/eu_school:", guess_parent_hours_per_year/hours_per_oecd_year)