Ridgecrest Intermediate (Data source)
Source data for Ridgecrest 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 |
||
| 6 | 1070718 | 2600 | - | 2552 | = | 48 | * | (311 | / | 908) | = | 16.44052862 | ||
| 7 | 1070719 | 2627 | - | 2567 | = | 60 | * | (296 | / | 908) | = | 19.55947134 | ||
| 8 | 1070722 | 2633 | - | 2586 | = | 47 | * | (301 | / | 908) | = | 15.58039646 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ridgecrest Intermediate | 52 | ||||||||||||
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 |
||
| 6 | 33569 | 2618 | - | 2552 | = | 66 | * | (289 | / | 907) | = | 21.02976843 | ||
| 7 | 33572 | 2633 | - | 2567 | = | 66 | * | (324 | / | 907) | = | 23.57662619 | ||
| 8 | 33573 | 2642 | - | 2586 | = | 56 | * | (294 | / | 907) | = | 18.1521499 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ridgecrest Intermediate | 63 | ||||||||||||
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 |
||
| 6 | 34171 | 2603 | - | 2552 | = | 51 | * | (268 | / | 871) | = | 15.69230766 | ||
| 7 | 34173 | 2648 | - | 2567 | = | 81 | * | (295 | / | 871) | = | 27.43398388 | ||
| 8 | 34174 | 2649 | - | 2586 | = | 63 | * | (308 | / | 871) | = | 22.27784152 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ridgecrest Intermediate | 65 | ||||||||||||
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 |
||
| 6 | 34175 | 2607 | - | 2552 | = | 55 | * | (306 | / | 867) | = | 19.41176468 | ||
| 7 | 34177 | 2638 | - | 2567 | = | 71 | * | (265 | / | 867) | = | 21.70126871 | ||
| 8 | 34179 | 2674 | - | 2586 | = | 88 | * | (296 | / | 867) | = | 30.04382929 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ridgecrest Intermediate | 71 | ||||||||||||
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 |
||
| 6 | 34340 | 2614 | - | 2552 | = | 62 | * | (309 | / | 902) | = | 21.23946784 | ||
| 7 | 34341 | 2636 | - | 2567 | = | 69 | * | (311 | / | 902) | = | 23.79046556 | ||
| 8 | 34342 | 2635 | - | 2586 | = | 49 | * | (282 | / | 902) | = | 15.31929042 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ridgecrest Intermediate | 60 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 52 | 63 | 65 | 71 | 60 | 311.0 | 62.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 80.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 44.2
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 | 3% | 3% | 3% | 7% | 9% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palos Verdes Peninsula 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.
Ridgecrest Intermediate math proficiency
Zero+ meets standard.
2% less $meal
2% less $meal
2% less $meal
6% less $meal
8% 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 Palos Verdes Peninsula Unified (3)
| Miraleste Intermediate | Palos Verdes Intermediate | Ridgecrest Intermediate |