The short answer
First, find out which method your teacher uses for the term. Then replicate it: Total Points = earned ÷ possible; Category Weighting = Σ(category % × weight) ÷ Σ(weights); Term Weighting = Σ(term grade × weight) ÷ Σ(weights). Statuses (Missing, Exempt, Collected) decide which assignments count. Skip the manual math: the PowerSchool Grade Calculator does all of this with your method and statuses.
Step 1: Find your teacher's method
PowerSchool computes a course grade one of four ways, chosen per reporting term: Total Points, Category Weighting, Term Weighting, or Standards Weighting. The method, weights, grade scale, and policies cascade district → school → course → teacher — and the student sees only the result. If your syllabus or Class Score Detail shows categories with weights, it's category weighting. If it shows one running total, it's total points. If your semester grade comes from quarters + exam, it's term weighting.
Step 2: Copy assignments from Class Score Detail
From Grades and Attendance, click a grade → Class Score Detail. Copy each assignment's earned score, points possible, category, and status. Note the portal symbols: ^ = exempt from the final grade, * = not included, 1 = may include unpublished assignments or special weighting.
Step 3: Apply statuses before you average
Statuses decide what counts: Exempt always excludes. Collected excludes until scored. Late carries no automatic penalty — it counts as graded. Missing, Incomplete, and Absent are the tricky ones: PowerSchool documents the flags but states no universal “Missing = 0” rule. In practice, districts often have teachers enter a 0 placeholder alongside the Missing code. Check the Score column: a 0 there counts; a bare flag with no score may not.
Step 4: Apply the floor and the method
If your district uses a Minimum Assignment Value floor, raise any counted score below it to the floor first (a 20% score with a 50% floor becomes 50%). Then compute: total points divides totals; category weighting averages within each category first (assignment weights multiply both earned and possible), then weights the categories.
Worked example (category weighting). Homework 90% × 20 + Tests 80% × 40 + Final Project 85% × 40 = 18 + 32 + 34 = 84%. The same assignments under total points give 85% — the method is what differs.
Worked example (missing). Three 100-point assignments at 90, 80, and missing: counts-as-0 → 170/300 = 56.67%; excluded → 170/200 = 85%. That is why the Missing choice matters more than any other input.
Why did my grade drop?
- A 0 entered for missing work. The most common cause — check the Score column.
- An exempt assignment stopped being exempt. The ^ disappeared and the score counts.
- An unpublished assignment appeared. The portal's 1 footnote warns the grade may include unpublished work.
- A weighting change. Category weights or the method changed for the term.
What PowerSchool doesn't have
No student what-if simulator — unlike Canvas, you can't type a hypothetical score into the portal. Use the PowerSchool Grade Calculator's target solver instead. No GPA display in the portal either — see How to Calculate GPA in PowerSchool. And no, there is no “Grade Calculator” button inside PowerSchool — that claim, seen on one site, is false.
Common mistakes
- Assuming Missing = 0. A bare flag with no score may not count.
- Using the wrong method. Total points and category weighting differ on the same assignments.
- Assuming one PowerSchool scale. Scales are district-configured per course.
- Ignoring the floor. A district minimum can raise low scores before the grade is computed.
Tools: PowerSchool Grade Calculator, PowerSchool GPA Calculator, PowerSchool Final Grade Calculator.