scrapping.rb

require 'nokogiri'
require 'open-uri'
require 'elasticsearch'

college_doc = Nokogiri::HTML(open('http://www.example-college.com'))
college_course = college_doc.at_css('.course')

course_hash = {
  title: college_course.at_css('h1').text,
  start_date: college_course.at_css('.start-date').text
}

ranking_doc = Nokogiri::HTML(open('http://www.ranking-college.com'))
ranking_course = ranking_doc.at_css('.course')
course_hash[:ranking] = ranking_course.at_css('.ranking').text

client = Elasticsearch::Client.new
client.index index: 'courses', type: 'course', id: course_hash[:title], body: course_hash