Prop 58 Archive

Sources

Sources and methodology

Each figure on this site links to a numbered source below. We report numbers as the source states them and say what they measure.

  1. [1] California Secretary of State, Proposition 58, Official Voter Information Guide (2016). Measure summary, arguments, supporters; fiscal effect: "no notable fiscal effect".
  2. [2] California Secretary of State, Statement of Vote, November 8, 2016: State Ballot Measures (official): Prop 58 state totals 9,994,454 Yes (73.5%) and 3,598,855 No (26.5%). Exact percentages, valid-vote total and turnout from Wikipedia's results table: 73.52% / 26.48%; 13,593,309 valid votes; 75.27% turnout.
  3. [3] CalMatters, Why California's bilingual education progress has slowed (March 2025): 1,075 schools with dual-language immersion (2023–24); 1.1M English learners; ~10% in bilingual programs; teacher programs 40 (2018), 48 (2025), 90 projected, 100 goal; funding figures.
  4. [4] California Department of Education, CA Education for a Global Economy Initiative (Global California 2030), and summaries by New America and PACE: 2030 and 2040 goals; 407 programs in 2017 to 1,600 by 2030, as reported by inewsource, which also reports 1,343 "multilingual programs" (a broader category including dual-language immersion) in 2023. The CDE page itself could not be retrieved automatically.
  5. [5] California Immigrant Data Portal, Biliteracy Seal: peak of over 72,000 seals in 2020–21, under 60,000 since (secondary source; the portal could not be re-fetched for year-by-year counts). CDE State Seal of Biliteracy for current counts.
  6. [6] Proposition 227 (1998): Legislative Analyst's Office, Ballotpedia, Education Next, and Wikipedia's results table (3,599,312 Yes, 60.88%; 2,313,058 No, 39.12%): about 61% Yes; text on "taught English by being taught in English".
  7. [7] Internet Archive Wayback Machine, snapshots of supportprop58.com, 11 August 2016 and 5 September 2016: campaign messages, navigation, "LEARN" branding, committee name.
  8. [8] California Federation of Teachers, Yes on Prop 58.
  9. [9] California Association of Bilingual Educators, Prop 58 overview (PDF); also cited in [3].
  10. [10] EdSource, Short thousands of bilingual teachers, California schools turn to high school students (2026).

Methodology