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Photo by Jannis Lucas on Unsplash.

Every year, American high school students take SATs, which are standardized tests intended to measure literacy, numeracy, and writing skills. There are three sections - reading, math, and writing, each with a maximum score of 800 points. These tests are extremely important for students and colleges, as they play a pivotal role in the admissions process.

Analyzing the performance of schools is important for a variety of stakeholders, including policy and education professionals, researchers, government, and even parents considering which school their children should attend.

You have been provided with a dataset called schools.csv, which is previewed below.

You have been tasked with answering three key questions about New York City (NYC) public school SAT performance.

# Re-run this cell 
import pandas as pd

# Read in the data
schools = pd.read_csv("schools.csv")

# Preview the data
schools.head()

# Start coding here...
# Add as many cells as you like...
def func(x):
    if x>=800*0.8: return True
    else: return False

schools['best_math']=schools['average_math'].apply(lambda x: func(x))
best_math_schools=schools[schools['best_math']==True]
best_math_schools=best_math_schools.sort_values('average_math',ascending=False)[['school_name','average_math']]
best_math_schools
schools['total_SAT']=schools['average_math']+schools['average_reading']+schools['average_writing']
top_10_schools=schools.sort_values('total_SAT',ascending=False)[['school_name','total_SAT']][:10]
top_10_schools
max_std = schools.groupby('borough')['total_SAT'].std().max().round(2)
largest_std_dev = pd.DataFrame()
largest_std_dev['std_SAT'] = schools.groupby('borough')['total_SAT'].std().round(2)
largest_std_dev=largest_std_dev.reset_index()
largest_std_dev=largest_std_dev[largest_std_dev['std_SAT']==max_std]
largest_std_dev['num_schools'] = schools[schools['borough'] == largest_std_dev['borough'].values[0]].shape[0]
largest_std_dev
largest_std_dev['average_SAT']=schools[schools['borough']==largest_std_dev['borough'].values[0]]['total_SAT'].mean().round(2)
largest_std_dev