Complex sentence: He attended Notre Dame High School in Sherman Oaks, California, where during his last two prep seasons, he converted 26 of 33 field goal attempts and scored 213 total points, with a long field goal of 57 yards.
Split into simpler sentences: He attended Notre Dame High School in Sherman Oaks, California. During his last two prep seasons, he converted 26 of 33 field goal attempts and scored 213 total points, with a long field goal of 57 yards.