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Edition #022
Date June 19, 2026
Audience High School
Coverage Period This Week
California tightened its AI guidance for student data this month, and Pennsylvania's House passed an all-day phone ban that most surveyed teens do not actually support. A national student survey finds two-thirds now say AI homework help is costing them something in their own thinking, the same week Khan Academy rolled out a new AP Precalculus course built for students who need the on-ramp most.
Today's Signals at a Glance
01 Friday Classroom Signal — Math: Khan Academy is rolling out a new AP Precalculus course and refreshed Illustrative Mathematics content for grades 6-8 and Algebra 1 as part of its 2026 back-to-school expansion. Math
02 California's AI in Education Working Group advanced updated K-12 AI guidance this month, sharpening rules on student data privacy, academic integrity, and equitable access. AI / EdTech
03 A RAND Corporation survey of the American Youth Panel, funded by the Gates Foundation, found 67% of students now say AI homework use harms their own critical thinking, up from 54% earlier in the year. Pedagogy
04 Pennsylvania's House passed an all-day school cellphone ban sponsored by Rep. Mandy Steele, even as a Pew Research survey finds only about one in five teens actually support a ban covering the entire school day. Youth Culture
Classroom Signal — Friday · Math
Mathematics
Khan Academy Is Building the On-Ramp for the Students Who Need It Most.

Khan Academy is expanding its 2026-27 course catalog with a new AP Precalculus course, alongside updated AP Calculus AB exam-prep content and refreshed Illustrative Mathematics units for grades 6 through 8 and Algebra 1. The organization first previewed the lineup in a January blog post and has been rolling individual pieces into its Help Center through the spring, with the bulk of the new content set to land by the time most districts return this fall. The expansion fills a gap that has mattered more every year since the College Board added AP Precalculus in 2023-24: free, comprehensive practice for a course many districts still cannot staff with a dedicated curriculum.

For a school deciding whether to offer AP Precalculus for the first time, or a teacher handed the course with no district-built materials, this closes the resourcing gap that has kept the option out of reach for smaller and lower-income schools. It does not replace instruction. It does mean a teacher building a syllabus from scratch this summer now has a free, sequenced practice set instead of a blank page.

Try This — Ready to Use
If you teach Algebra 1, Precalculus, or AP Calculus this fall, pull three problems from Khan Academy's new practice sets now and assign them as a no-stakes diagnostic warm-up before you write next week's unit plan. Sort the results by error type, not score. You will know which gaps to build around before a single lesson is finalized.
Try This in Any Class — Today
Before students see their grade on the next quiz or assignment, have them write down which question they were least confident about, and why, on a slip of paper. Collect the slips before returning the work. A student who can name the specific gap is most of the way to closing it. A student who can't is telling you something a grade alone never will.

Signal Analysis
SIGNAL 01 — AI / EdTech
California Tightens Its AI Guidance for Student Data, Again.
The Development

California's AI in Education Working Group, convened by the state Department of Education, met June 8 to continue refining statewide AI guidance for K-12 schools, sharpening expectations on data privacy, academic integrity, and equitable access, building on the framework the state first issued in 2023. Separately, a pending bill, A.B. 1159, would bar companies from using student data to train AI models unless that training directly benefits the school the data came from, according to reporting from EdTech Innovation Hub and GovTech.

Why It Matters to You

Most teachers will never read the working group's guidance directly, but the data-privacy standard it sets becomes the baseline your district's procurement office licenses tools against. The practical question for your classroom is not whether your state has adopted a similar framework. It is which AI tools your district has actually vetted against one, and when that list was last updated.

Why This Matters
A.B. 1159 would be among the first state bills to restrict using student data for AI model training outright, not just to require disclosure. Watch whether other states draft similar language this year.
Around the Corner
Expect more states to revisit existing AI guidance documents this year as classroom adoption keeps moving faster than the rules written to govern it.
Sources: EdTech Innovation Hub, June 2026; GovTech, June 2026
SIGNAL 02 — Curriculum & Pedagogy
Two-Thirds of Students Now Say AI Homework Help Is Hurting Their Own Thinking.
The Development

RAND Corporation's American Youth Panel survey, funded by the Gates Foundation and fielded in December 2025 among more than 1,000 students ages 12 to 29, found AI homework use climbed from 48% to 62% between May and December 2025, with high schoolers rising from 49% to 60%. The same survey found 67% of students said AI homework use harms their own critical thinking, up from 54% earlier in the year, with middle schoolers' concern climbing from 48% to 68%, according to RAND's published findings.

Why It Matters to You

Students are not waiting for a teacher or a policy to tell them something is off. They are telling researchers themselves, while using the tool more anyway. That gap between concern and behavior is the room a teacher can work in: structured, accountable AI use that makes a student show their thinking, not a blanket ban that does not match how students say they already feel about the tool.

Why This Matters
Concern about AI's effect on critical thinking grew faster among middle schoolers than any other age group in RAND's survey. The unease is arriving earlier in a student's schooling than most district policies account for.
Around the Corner
Expect more districts to pilot "show your work" AI policies this fall, requiring students to submit a process trail alongside an AI-assisted answer rather than banning the tool outright.
Source: RAND Corporation, American Youth Panel, March 2026
SIGNAL 03 — Youth Culture & Student Behavior
Pennsylvania's House Passed an All-Day Phone Ban Most Teens Say They Don't Want.
The Development

The Pennsylvania House passed House Bill 1814 on June 1 in a 126-75 vote, a bell-to-bell cellphone restriction sponsored by Rep. Mandy Steele, D-Allegheny, who has called unrestricted phone use in schools "a massive public health crisis." The bill now goes to the Senate, which passed its own version, Senate Bill 1014, 46-1, in February. A Pew Research Center survey fielded last fall and published January 13 found only 41% of teens support banning phones during class, and just about one in five support a ban covering the entire school day; 73% oppose an all-day restriction.

Why It Matters to You

The gap between what legislators are passing and what students say they want does not mean the policy is wrong. It does mean the rollout in your building matters as much as the rule itself. A ban introduced as protection lands differently if students experience it as something done to them rather than with them.

Why This Matters
Pew's data shows teen support drops by half, from 41% to roughly 20%, the moment a phone ban moves from classroom-only to all-day. Most pending state legislation, including Pennsylvania's, writes the all-day version into law.
Around the Corner
Watch for Senate action on HB 1814 this summer. Pennsylvania would join roughly two dozen states with some form of bell-to-bell restriction already in place or in effect this year, including Utah.
Sources: Pennsylvania House Democratic Caucus, June 1, 2026; Pew Research Center, January 13, 2026
The Bottom Line — Three Things for a High-Agency Professional
1 Pull this week's homework results and ask one student per class to walk you through how they solved a problem, no AI, out loud. RAND's survey shows two-thirds of students already suspect AI homework help is costing them something. Give them one low-stakes chance to find out for themselves.
2 Ask your department chair which AI tools your district has actually vetted for student data privacy this year, and when that list was last updated. California's working group just sharpened the standard other states are watching; your own district's list may not have caught up.
3 If your school revisits its phone policy this year, bring Pew's numbers to the meeting. Only about one in five teens support the all-day ban Pennsylvania's House just passed. Knowing that gap going in changes how you frame the rollout, not whether you support the policy.