<entry id="2300334" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2861182</ent_seq>
<k_ele>
<keb>強豪校</keb>
</k_ele>
<r_ele>
<reb>きょうごうこう</reb>
</r_ele>
<sense>
<pos>&n;</pos>
<gloss>powerhouse school (sports, arts, etc.)</gloss>
<gloss>school with a highly competitive team</gloss>
</sense>
<info>
<audit time="2024-05-09 01:29:44" stat="A" unap="true">
<upd_uid>stephen</upd_uid>
<upd_name>Stephen Kraus</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>gg5 追加語彙: a school with a formidable 《baseball》 team.

In the context I encountered this word, it was in reference to the school's wind orchestra.

Google N-gram Corpus Counts
╭─ーーーーーーー─┬────────╮
│ 強豪校　　　　 │ 56,335 │
│ きょうごうこう │     42 │
╰─ーーーーーーー─┴────────╯</upd_refs>
</audit>
<audit time="2024-05-10 11:35:52" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>Reverso</upd_refs>
<upd_diff>@@ -12 +12,2 @@
-&lt;gloss&gt;school with a highly competitive team (baseball, etc.)&lt;/gloss&gt;
+&lt;gloss&gt;powerhouse school (sports, arts, etc.)&lt;/gloss&gt;
+&lt;gloss&gt;school with a highly competitive team&lt;/gloss&gt;</upd_diff>
</audit>
</info>
</entry>