Montalvo Elementary (Data source)
Source data for Montalvo Elementary
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 |
||
| 3 | 3147911 | 2404 | - | 2436 | = | -32 | * | (73 | / | 212) | = | -11.0188679 | ||
| 4 | 3147914 | 2452 | - | 2485 | = | -33 | * | (68 | / | 212) | = | -10.58490563 | ||
| 5 | 3147915 | 2485 | - | 2528 | = | -43 | * | (71 | / | 212) | = | -14.40094338 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montalvo Elementary | -36 | ||||||||||||
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 |
||
| 3 | 97028 | 2393 | - | 2436 | = | -43 | * | (71 | / | 211) | = | -14.46919427 | ||
| 4 | 97031 | 2454 | - | 2485 | = | -31 | * | (73 | / | 211) | = | -10.72511845 | ||
| 5 | 97032 | 2516 | - | 2528 | = | -12 | * | (67 | / | 211) | = | -3.81042654 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montalvo Elementary | -29 | ||||||||||||
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 |
||
| 3 | 99839 | 2430 | - | 2436 | = | -6 | * | (73 | / | 215) | = | -2.0372093 | ||
| 4 | 99842 | 2430 | - | 2485 | = | -55 | * | (69 | / | 215) | = | -17.65116276 | ||
| 5 | 99844 | 2525 | - | 2528 | = | -3 | * | (73 | / | 215) | = | -1.01860465 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montalvo Elementary | -21 | ||||||||||||
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 |
||
| 3 | 99991 | 2422 | - | 2436 | = | -14 | * | (59 | / | 201) | = | -4.10945273 | ||
| 4 | 99992 | 2476 | - | 2485 | = | -9 | * | (70 | / | 201) | = | -3.13432835 | ||
| 5 | 99995 | 2485 | - | 2528 | = | -43 | * | (72 | / | 201) | = | -15.40298507 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montalvo Elementary | -23 | ||||||||||||
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 |
||
| 3 | 100655 | 2454 | - | 2436 | = | 18 | * | (73 | / | 200) | = | 6.57 | ||
| 4 | 100656 | 2470 | - | 2485 | = | -15 | * | (58 | / | 200) | = | -4.35 | ||
| 5 | 100657 | 2506 | - | 2528 | = | -22 | * | (69 | / | 200) | = | -7.59 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montalvo Elementary | -5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -36 | -29 | -21 | -23 | -5 | -114.0 | -22.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.8
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 | 50% | 61% | 64% | 65% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ventura Unified school district | County of Ventura
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.
Montalvo Elementary math proficiency
Zero+ meets standard.
41% less $meal
37% less $meal
37% less $meal
42% less $meal
36% 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.