Riverview Middle (Data source)
Source data for Riverview Middle
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 | 1996471 | 2464 | - | 2567 | = | -103 | * | (42 | / | 89) | = | -48.60674154 | ||
8 | 1996474 | 2454 | - | 2586 | = | -132 | * | (47 | / | 89) | = | -69.70786508 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Riverview Middle | -118 |
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 | 61407 | 2523 | - | 2567 | = | -44 | * | (52 | / | 98) | = | -23.34693874 | ||
8 | 61408 | 2485 | - | 2586 | = | -101 | * | (46 | / | 98) | = | -47.40816326 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Riverview Middle | -71 |
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 | 63187 | 2509 | - | 2567 | = | -58 | * | (78 | / | 131) | = | -34.53435113 | ||
8 | 63189 | 2517 | - | 2586 | = | -69 | * | (53 | / | 131) | = | -27.91603049 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Riverview Middle | -62 |
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 | 63285 | 2486 | - | 2567 | = | -81 | * | (76 | / | 149) | = | -41.31543623 | ||
8 | 63286 | 2506 | - | 2586 | = | -80 | * | (73 | / | 149) | = | -39.1946308 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Riverview Middle | -81 |
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 | 63550 | 2538 | - | 2567 | = | -29 | * | (52 | / | 128) | = | -11.78125 | ||
8 | 63551 | 2527 | - | 2586 | = | -59 | * | (76 | / | 128) | = | -35.03125 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Riverview Middle | -47 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-118 | -71 | -62 | -81 | -47 | -379.0 | -75.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -153.8
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 | 57% | 56% | 50% | 51% | 51% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Helendale Elementary school district County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Riverview Middle math proficiency
Zero+ meets standard.

51% less $meal

44% less $meal

38% less $meal

43% less $meal

45% 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.
Junior High Schools (Public) schools in Helendale Elementary (1)
Riverview Middle |