checkbox-on_select.php

<?php 
/**
 * Add checkbox field to the checkout
 **/
add_action('woocommerce_after_checkout_billing_form', 'my_custom_checkout_field');
 
function my_custom_checkout_field( $checkout ) {
  add_filter ('add_to_cart_redirect', 'woo_redirect_to_checkout');
    echo '<div id="my-new-field"><h3>'.__('1st Time Student?').'</h3>';
	echo '<input id="my_checkbox" type="checkbox" class="input-checkbox" value="1" data-target="http://www.experiumscienceacademy.com/newsite/?add-to-cart=6319"/><label for="my_checkbox" class="checkbox ">Yes!</label>';
	echo '<input id="my_checkbox_2" type="checkbox" class="input-checkbox_2"/><label for="my_checkbox_no" class="checkbox ">No</label>';
	echo '<script>jQuery(function($){
  $("input#my_checkbox").change(function(){
  var item=$(this);    
  if(item.is(":checked"))
  {
       window.location.href=(item.data("target"))   
  } 
 });
});</script></div>';
}