San Andreas High (Continuation) (Data source)
Source data for San Andreas High (Continuation)
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 | 1264656 | 2484 | - | 2628 | = | -144 | * | (23 | / | 23) | = | -144.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Andreas High (Continuation) | -144 | ||||||||||||
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 | 39426 | 2434 | - | 2628 | = | -194 | * | (40 | / | 40) | = | -194.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Andreas High (Continuation) | -194 | ||||||||||||
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 | 40441 | 2439 | - | 2628 | = | -189 | * | (38 | / | 38) | = | -189.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Andreas High (Continuation) | -189 | ||||||||||||
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 | 40459 | 2464 | - | 2628 | = | -164 | * | (31 | / | 31) | = | -164.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Andreas High (Continuation) | -164 | ||||||||||||
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 |
||
| 11 | 40602 | 2512 | - | 2628 | = | -116 | * | (32 | / | 32) | = | -116.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Andreas High (Continuation) | -116 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -144 | -194 | -189 | -164 | -116 | -807.0 | -161.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -257.4
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 | 39% | 41% | 28% | 57% | 35% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tamalpais Union High school district | County of Marin
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.
San Andreas High (Continuation) math proficiency
Zero+ meets standard.
35% less $meal
40% less $meal
24% less $meal
53% less $meal
32% 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.
Continuation High Schools schools in Tamalpais Union High (1)
| San Andreas High (Continuation) |