Charles T. Kranz Intermediate (Data source)
Source data for Charles T. Kranz 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 | 1040998 | 2454 | - | 2567 | = | -113 | * | (385 | / | 763) | = | -57.01834852 | ||
| 8 | 1041001 | 2486 | - | 2586 | = | -100 | * | (378 | / | 763) | = | -49.5412844 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Charles T. Kranz Intermediate | -107 | ||||||||||||
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 | 32685 | 2470 | - | 2567 | = | -97 | * | (357 | / | 744) | = | -46.54435477 | ||
| 8 | 32687 | 2467 | - | 2586 | = | -119 | * | (387 | / | 744) | = | -61.89919351 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Charles T. Kranz Intermediate | -108 | ||||||||||||
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 | 33262 | 2479 | - | 2567 | = | -88 | * | (341 | / | 677) | = | -44.32496306 | ||
| 8 | 33265 | 2470 | - | 2586 | = | -116 | * | (336 | / | 677) | = | -57.57163949 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Charles T. Kranz Intermediate | -102 | ||||||||||||
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 | 33282 | 2480 | - | 2567 | = | -87 | * | (364 | / | 694) | = | -45.6311239 | ||
| 8 | 33284 | 2480 | - | 2586 | = | -106 | * | (330 | / | 694) | = | -50.40345813 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Charles T. Kranz Intermediate | -96 | ||||||||||||
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 | 33453 | 2496 | - | 2567 | = | -71 | * | (355 | / | 699) | = | -36.05865519 | ||
| 8 | 33454 | 2479 | - | 2586 | = | -107 | * | (344 | / | 699) | = | -52.65808291 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Charles T. Kranz Intermediate | -89 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -107 | -108 | -102 | -96 | -89 | -502.0 | -100.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -79.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -121.4
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 | 98% | 92% | 95% | 93% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mountain View Elementary 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.
Charles T. Kranz Intermediate math proficiency
Zero+ meets standard.
88% less $meal
84% less $meal
83% less $meal
87% less $meal
89% 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 Mountain View Elementary (2)
| Alfred S. Madrid Middle | Charles T. Kranz Intermediate |