兄弟姉妹で学業の成績に差はありますか？

<div class="apbct-real-user-wrapper"> <div class="apbct-real-user-author-name">summer1993</div> <div class="apbct-real-user-badge" onmouseover=" let popup = document.getElementById('apbct_trp_comment_id_164076'); popup.style.display = 'inline-flex'; "> <div class="apbct-real-user-popup" id="apbct_trp_comment_id_164076"> <div class="apbct-real-user-title"> <p class="apbct-real-user-popup-header">The Real Person!</p> <p class="apbct-real-user-popup-text">Author <b>summer1993</b> acts as a real person and passed all tests against spambots. Anti-Spam by CleanTalk.</p> </div> </div> </div> </div> さん

<div class="apbct-real-user-wrapper"> <div class="apbct-real-user-author-name">summer1993</div> <div class="apbct-real-user-badge" onmouseover=" let popup = document.getElementById('apbct_trp_comment_id_164074'); popup.style.display = 'inline-flex'; "> <div class="apbct-real-user-popup" id="apbct_trp_comment_id_164074"> <div class="apbct-real-user-title"> <p class="apbct-real-user-popup-header">The Real Person!</p> <p class="apbct-real-user-popup-text">Author <b>summer1993</b> acts as a real person and passed all tests against spambots. Anti-Spam by CleanTalk.</p> </div> </div> </div> </div> さん

<div class="apbct-real-user-wrapper"> <div class="apbct-real-user-author-name">めだか</div> <div class="apbct-real-user-badge" onmouseover=" let popup = document.getElementById('apbct_trp_comment_id_164073'); popup.style.display = 'inline-flex'; "> <div class="apbct-real-user-popup" id="apbct_trp_comment_id_164073"> <div class="apbct-real-user-title"> <p class="apbct-real-user-popup-header">The Real Person!</p> <p class="apbct-real-user-popup-text">Author <b>めだか</b> acts as a real person and passed all tests against spambots. Anti-Spam by CleanTalk.</p> </div> </div> </div> </div> さん

<div class="apbct-real-user-wrapper"> <div class="apbct-real-user-author-name">めだか</div> <div class="apbct-real-user-badge" onmouseover=" let popup = document.getElementById('apbct_trp_comment_id_164072'); popup.style.display = 'inline-flex'; "> <div class="apbct-real-user-popup" id="apbct_trp_comment_id_164072"> <div class="apbct-real-user-title"> <p class="apbct-real-user-popup-header">The Real Person!</p> <p class="apbct-real-user-popup-text">Author <b>めだか</b> acts as a real person and passed all tests against spambots. Anti-Spam by CleanTalk.</p> </div> </div> </div> </div> さん

<div class="apbct-real-user-wrapper"> <div class="apbct-real-user-author-name">めだか</div> <div class="apbct-real-user-badge" onmouseover=" let popup = document.getElementById('apbct_trp_comment_id_164071'); popup.style.display = 'inline-flex'; "> <div class="apbct-real-user-popup" id="apbct_trp_comment_id_164071"> <div class="apbct-real-user-title"> <p class="apbct-real-user-popup-header">The Real Person!</p> <p class="apbct-real-user-popup-text">Author <b>めだか</b> acts as a real person and passed all tests against spambots. Anti-Spam by CleanTalk.</p> </div> </div> </div> </div> さん