学校の成績がいつもビリなのもうなずけるよ。

Sentence Analyzer

学校 成績 いつも びり うなずける

English Translation

You could also say that he's at the bottom of the class, for sure.

Furigana

学校(がっこう)成績(せいせき)がいつもビリなのもうなずけるよ。

Romanji

Gakkō no seiseki ga itsumo Biri na no mo unazukeru yo.

Words

学校 (がっこう)
school
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
成績 (せいせき)
results; record; grades; marks
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
何時も (いつも)
always; usually; every time; never
びり (びり、びけ)
last on the list; at the bottom
()
be; is; indicates past or completed action; indicates light imperative
()
too; also; in addition; as well; (not) either (in a negative sentence); both A and B; A as well as B; neither A nor B (in a negative sentence); even; as much as; as many as; as far as; as long as; no less than; no fewer than; even if; even though; although; in spite of; further; more; again; another; the other
()
indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!

Kanji

Readings: ガク、 まな.ぶ
Meanings: study, learning, science
Readings: コウ、 キョウ
Meanings: exam, school, printing, proof, correction
Readings: セイ、 ジョウ、 な.る、 な.す、 -な.す
Meanings: turn into, become, get, grow, elapse, reach
Reading: セキ
Meanings: exploits, achievements, unreeling cocoons