Ruben Salazar Continuation (Data source)
Source data for Ruben Salazar 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 | 696081 | 2413 | - | 2628 | = | -215 | * | (80 | / | 80) | = | -215.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ruben Salazar Continuation | -215 | ||||||||||||
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 | 21994 | 2431 | - | 2628 | = | -197 | * | (99 | / | 99) | = | -197.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ruben Salazar Continuation | -197 | ||||||||||||
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 | 22415 | 2430 | - | 2628 | = | -198 | * | (84 | / | 84) | = | -198.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ruben Salazar Continuation | -198 | ||||||||||||
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 | 22400 | 2418 | - | 2628 | = | -210 | * | (87 | / | 87) | = | -210.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ruben Salazar Continuation | -210 | ||||||||||||
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 | 22580 | 2427 | - | 2628 | = | -201 | * | (65 | / | 65) | = | -201.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ruben Salazar Continuation | -201 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -215 | -197 | -198 | -210 | -201 | -1021.0 | -204.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -183.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -225.2
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 | 71% | 66% | 62% | 65% | 68% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Rancho Unified school district | County of Los Angeles
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.
Ruben Salazar Continuation math proficiency
Zero+ meets standard.
61% less $meal
61% less $meal
59% less $meal
62% less $meal
63% 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 El Rancho Unified (1)
| Ruben Salazar Continuation |