ABC Secondary (Alternative) (Data source)
Source data for ABC Secondary (Alternative)
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 |
||
| 7 | 604891 | 0 | - | 2567 | = | * | (0 | / | 8) | = | ||||
| 8 | 604892 | 0 | - | 2586 | = | * | (1 | / | 8) | = | ||||
| 11 | 604895 | 0 | - | 2628 | = | * | (7 | / | 8) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for ABC Secondary (Alternative) | |||||||||||||
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 |
||
| 7 | 19398 | 0 | - | 2567 | = | * | (0 | / | 10) | = | ||||
| 8 | 19400 | 0 | - | 2586 | = | * | (2 | / | 10) | = | ||||
| 11 | 19402 | 0 | - | 2628 | = | * | (8 | / | 10) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for ABC Secondary (Alternative) | |||||||||||||
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 |
||
| 7 | 19692 | 0 | - | 2567 | = | * | (0 | / | 14) | = | ||||
| 8 | 19694 | 0 | - | 2586 | = | * | (0 | / | 14) | = | ||||
| 11 | 19695 | 2454 | - | 2628 | = | -174 | * | (13 | / | 14) | = | -161.57142847 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for ABC Secondary (Alternative) | -162 | ||||||||||||
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 |
||
| 7 | 19691 | 0 | - | 2567 | = | * | (0 | / | 13) | = | ||||
| 8 | 19693 | 0 | - | 2586 | = | * | (0 | / | 13) | = | ||||
| 11 | 19695 | 0 | - | 2628 | = | * | (0 | / | 13) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for ABC Secondary (Alternative) | |||||||||||||
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 |
||
| 7 | 19874 | 0 | - | 2567 | = | * | (0 | / | 19) | = | ||||
| 8 | 19875 | 0 | - | 2586 | = | * | (0 | / | 19) | = | ||||
| 11 | 19876 | 2477 | - | 2628 | = | -151 | * | (17 | / | 19) | = | -135.10526314 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for ABC Secondary (Alternative) | -135 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -162 | -135 | -297.0 | -59.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -91.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -205.5
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 | 52% | 38% | 54% | 73% | 61% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
ABC 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.
ABC Secondary (Alternative) math proficiency
Zero+ meets standard.
48% less $meal
38% 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 ABC Unified (1)
| ABC Secondary (Alternative) |