In this volume was narrated the efforts of Miriam Nesbit, aided by Julia Crosby, the disagreeable junior captain, to discredit Anne, and force Grace to resign the captaincy of her team.

The rescue of Julia by Grace from drowning during a skating party served to bring about a reconciliation between the two girls and clear Anne's name of the suspicion resting upon it.

The two classes, formerly at sword's points, became friendly, and buried the hatchet, although Miriam Nesbit, still bitterly jealous of Grace's popularity, planned a revenge upon Grace that nearly resulted in making her miss playing on her team during the deciding game.

Grace's encounter with an escaped lunatic, David Nesbit's trial flight in his aeroplane, were incidents that also held the undivided attention of the reader.
In "Grace Harlowe's Junior Year at High School" the four chums appeared as members of the famous sorority, the "Phi Sigma Tau," organized by Grace for the purpose of helping needy High School girls.
In that volume Eleanor Savelli, the self-willed, temperamental daughter of an Italian violin virtuoso, furnished much of the interest of the book.

The efforts of Grace and her chums to create in this girl a healthy, wholesome enjoyment for High School life, and her repudiation of their friendship, and subsequent attempts to revenge herself for fancied slights and insults, served to make the story absorbing.
The walking expedition through Upton Wood, the rescue of Mabel Allison, an orphan, by the Phi Sigma Tau, from the tender mercies of a cruel and ignorant woman with whom she lived, proved interesting reading.
The class play in which Eleanor plotted to oust Anne Pierson, the star, from the production and obtain the leading part for herself, the discovery of the plot at the eleventh hour by Grace, enabling her to balk Eleanor's scheme, were among the incidents that aroused anew the admiration of the reader for capable, wide-awake Grace Harlowe.
The seven young people on the platform looked unusually solemn, and a brief silence followed Grace's wistful question.