Nettie L. Waite Middle (Data source)
Source data for Nettie L. Waite 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 |
||
6 | 1053907 | 2450 | - | 2552 | = | -102 | * | (219 | / | 701) | = | -31.86590578 | ||
7 | 1053910 | 2463 | - | 2567 | = | -104 | * | (218 | / | 701) | = | -32.34236803 | ||
8 | 1053911 | 2489 | - | 2586 | = | -97 | * | (264 | / | 701) | = | -36.53067045 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Nettie L. Waite Middle | -101 |
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 | 33080 | 2445 | - | 2552 | = | -107 | * | (201 | / | 657) | = | -32.73515981 | ||
7 | 33082 | 2463 | - | 2567 | = | -104 | * | (241 | / | 657) | = | -38.14916279 | ||
8 | 33084 | 2472 | - | 2586 | = | -114 | * | (215 | / | 657) | = | -37.30593604 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Nettie L. Waite Middle | -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 |
||
6 | 33657 | 2460 | - | 2552 | = | -92 | * | (197 | / | 646) | = | -28.05572752 | ||
7 | 33659 | 2480 | - | 2567 | = | -87 | * | (205 | / | 646) | = | -27.60835911 | ||
8 | 33660 | 2463 | - | 2586 | = | -123 | * | (244 | / | 646) | = | -46.45820429 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Nettie L. Waite Middle | -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 |
||
6 | 33683 | 2448 | - | 2552 | = | -104 | * | (176 | / | 584) | = | -31.34246575 | ||
7 | 33685 | 2463 | - | 2567 | = | -104 | * | (202 | / | 584) | = | -35.97260264 | ||
8 | 33687 | 2472 | - | 2586 | = | -114 | * | (206 | / | 584) | = | -40.21232876 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Nettie L. Waite Middle | -108 |
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 | 33858 | 2452 | - | 2552 | = | -100 | * | (182 | / | 561) | = | -32.4420677 | ||
7 | 33859 | 2446 | - | 2567 | = | -121 | * | (171 | / | 561) | = | -36.88235291 | ||
8 | 33860 | 2474 | - | 2586 | = | -112 | * | (208 | / | 561) | = | -41.52584666 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Nettie L. Waite Middle | -111 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-101 | -108 | -102 | -108 | -111 | -530.0 | -106.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -94.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.0
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 | 88% | 90% | 85% | 92% | 90% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Norwalk-La Mirada Unified school district County of Los Angeles
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.
Nettie L. Waite Middle math proficiency
Zero+ meets standard.
81% less $meal
80% less $meal
77% less $meal
81% less $meal
83% 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 Norwalk-La Mirada Unified (6)
Arlie F. Hutchinson Middle | Corvallis Middle | Los Alisos Middle |
Los Coyotes Middle | Nettie L. Waite Middle | Reginald M. Benton Middle |