Norco Intermediate (Data source)
Source data for Norco 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 | 1664972 | 0 | - | 2552 | = | * | (1 | / | 759) | = | ||||
| 7 | 1664973 | 2520 | - | 2567 | = | -47 | * | (363 | / | 759) | = | -22.47826084 | ||
| 8 | 1664976 | 2515 | - | 2586 | = | -71 | * | (395 | / | 759) | = | -36.9499341 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Norco Intermediate | -59 | ||||||||||||
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 | 51969 | 2522 | - | 2567 | = | -45 | * | (366 | / | 720) | = | -22.87499999 | ||
| 8 | 51971 | 2558 | - | 2586 | = | -28 | * | (354 | / | 720) | = | -13.76666665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Norco Intermediate | -37 | ||||||||||||
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 | 53492 | 2527 | - | 2567 | = | -40 | * | (355 | / | 735) | = | -19.31972788 | ||
| 8 | 53493 | 2554 | - | 2586 | = | -32 | * | (380 | / | 735) | = | -16.54421766 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Norco Intermediate | -36 | ||||||||||||
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 | 53581 | 2539 | - | 2567 | = | -28 | * | (359 | / | 723) | = | -13.90318118 | ||
| 8 | 53582 | 2560 | - | 2586 | = | -26 | * | (364 | / | 723) | = | -13.08990316 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Norco Intermediate | -27 | ||||||||||||
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 | 53814 | 2528 | - | 2567 | = | -39 | * | (449 | / | 805) | = | -21.75279503 | ||
| 8 | 53815 | 2575 | - | 2586 | = | -11 | * | (356 | / | 805) | = | -4.86459626 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Norco Intermediate | -27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -37 | -36 | -27 | -27 | -186.0 | -37.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.2
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 | 38% | 40% | 41% | 42% | 44% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco Unified school district | County of Riverside
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.
Norco Intermediate math proficiency
Zero+ meets standard.
30% less $meal
31% less $meal
30% less $meal
35% less $meal
37% 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 Corona-Norco Unified (7)
| Auburndale Intermediate | Citrus Hills Intermediate | Corona Fundamental Intermediate |
| El Cerrito Middle | Letha Raney Intermediate | Norco Intermediate |
| River Heights Intermediate |