S.F. International High (Data source)
Source data for S.F. International High
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 11 | 2354842 | 2437 | - | 2628 | = | -191 | * | (68 | / | 68) | = | -191.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for S.F. International High | -191 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 11 | 71954 | 2495 | - | 2628 | = | -133 | * | (66 | / | 66) | = | -133.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for S.F. International High | -133 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 11 | 73921 | 2517 | - | 2628 | = | -111 | * | (75 | / | 75) | = | -111.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for S.F. International High | -111 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 11 | 74091 | 2510 | - | 2628 | = | -118 | * | (82 | / | 82) | = | -118.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for S.F. International High | -118 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 8 | 74612 | 0 | - | 2586 | = | * | (0 | / | 74) | = | ||||
| 11 | 74613 | 2431 | - | 2628 | = | -197 | * | (74 | / | 74) | = | -197.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for S.F. International High | -197 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -191 | -133 | -111 | -118 | -197 | -750.0 | -150.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -27.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -273.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 90% | 89% | 75% | 86% | 73% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Francisco Unified school district | County of San Francisco
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
S.F. International High math proficiency
Zero+ meets standard.
84% less $meal
80% less $meal
71% less $meal
81% less $meal
65% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Alternative Schools of Choice schools in San Francisco Unified (5)
| Academy (The)- SF @McAteer | Asawa (Ruth) SF Sch of the Arts, A Public School | Independence High |
| Jordan (June) School for Equity | S.F. International High |