Montebello Community Day (Data source)
Source data for Montebello Community Day
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 |
||
| 8 | 1034374 | 0 | - | 2586 | = | * | (0 | / | 42) | = | ||||
| 11 | 1034375 | 2413 | - | 2628 | = | -215 | * | (42 | / | 42) | = | -215.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montebello Community Day | -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 |
||
| 8 | 32463 | 0 | - | 2586 | = | * | (0 | / | 24) | = | ||||
| 11 | 32465 | 2430 | - | 2628 | = | -198 | * | (24 | / | 24) | = | -198.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montebello Community Day | -198 | ||||||||||||
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 | 33036 | 2377 | - | 2628 | = | -251 | * | (22 | / | 22) | = | -251.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montebello Community Day | -251 | ||||||||||||
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 | 33054 | 2404 | - | 2628 | = | -224 | * | (20 | / | 20) | = | -224.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montebello Community Day | -224 | ||||||||||||
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 | 33226 | 0 | - | 2567 | = | * | (4 | / | 7) | = | ||||
| 8 | 33227 | 0 | - | 2586 | = | * | (0 | / | 7) | = | ||||
| 11 | 33228 | 0 | - | 2628 | = | * | (0 | / | 7) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montebello Community Day | |||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -215 | -198 | -251 | -224 | -888.0 | -177.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -156.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -288.0
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 | 77% | 56% | 79% | 56% | 80% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Montebello 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.
Montebello Community Day math proficiency
Zero+ meets standard.
72% less $meal
51% less $meal
71% less $meal
56% 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.
District Community Day Schools schools in Montebello Unified (1)
| Montebello Community Day |