Alvarado Intermediate (Data source)
Source data for Alvarado Intermediate
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 | 1182852 | 2573 | - | 2567 | = | 6 | * | (371 | / | 756) | = | 2.94444444 | ||
| 8 | 1182853 | 2608 | - | 2586 | = | 22 | * | (385 | / | 756) | = | 11.2037037 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Alvarado Intermediate | 14 | ||||||||||||
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 | 36820 | 2563 | - | 2567 | = | -4 | * | (394 | / | 767) | = | -2.0547588 | ||
| 8 | 36822 | 2595 | - | 2586 | = | 9 | * | (373 | / | 767) | = | 4.37679269 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Alvarado Intermediate | 2 | ||||||||||||
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 | 37598 | 2556 | - | 2567 | = | -11 | * | (346 | / | 742) | = | -5.12938005 | ||
| 8 | 37600 | 2584 | - | 2586 | = | -2 | * | (396 | / | 742) | = | -1.06738544 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Alvarado Intermediate | -6 | ||||||||||||
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 | 37542 | 2566 | - | 2567 | = | -1 | * | (372 | / | 713) | = | -0.52173913 | ||
| 8 | 37544 | 2575 | - | 2586 | = | -11 | * | (341 | / | 713) | = | -5.26086956 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Alvarado Intermediate | -6 | ||||||||||||
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 | 37751 | 2562 | - | 2567 | = | -5 | * | (358 | / | 737) | = | -2.42876526 | ||
| 8 | 37752 | 2576 | - | 2586 | = | -10 | * | (379 | / | 737) | = | -5.14246947 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Alvarado Intermediate | -8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 14 | 2 | -6 | -6 | -8 | -4.0 | -0.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 26.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.8
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 | 59% | 61% | 65% | 71% | 72% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rowland 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.
Alvarado Intermediate math proficiency
Zero+ meets standard.
46% less $meal
49% less $meal
53% less $meal
62% less $meal
61% 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.
Intermediate/Middle Schools (Public) schools in Rowland Unified (2)
| Alvarado Intermediate | Giano Intermediate |